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Saif bin Sultan

Saif bin Sultan (died 1711) was an Ibadi imam and the fourth ruler of the Ya'aruba dynasty of the Imamate of Oman, reigning from 1692 to 1711.^[1] Under his leadership, Oman transformed into a formidable maritime power, with Saif bin Sultan commanding a fleet of dozens of ships to challenge Portuguese dominance in the Indian Ocean.^[2] He directed military campaigns that expelled the Portuguese from key East African ports, including Mombasa in 1698 and Zanzibar, thereby extending Omani suzerainty along the Swahili coast and laying the groundwork for imperial expansion into East Africa.^[3]^[4] His reign marked a period of economic prosperity, evidenced by his personal wealth, which included ownership of approximately 1,700 slaves and one-third of Oman's date palm groves, reflecting the era's reliance on agriculture and slave labor in trade networks.^[3]

Early Life and Ascension

Family Background and Education

Saif bin Sultan al-Ya'arubi was born into the ruling al-Ya'arubi family of the Imamate of Oman, a dynasty of the Ibadi Muslim sect that originated from the interior tribes of the region and rose to power by unifying Omani factions against Portuguese colonial presence. The dynasty's founder, Nasir bin Murshid al-Ya'arubi, established the imamate in 1624, succeeding the waning Nabhani rulers and initiating efforts to expel European forces from coastal enclaves. Saif was the son of Sultan bin Saif al-Ya'arubi, the second imam who ruled from 1649 until his death around 1679 and is credited with decisively defeating the Portuguese, including the pivotal conquest of Muscat in 1650 after a prolonged siege.^[5] Sultan bin Saif's military successes strengthened the imamate's control over Oman's trade routes and interior, laying the foundation for familial involvement in governance and warfare. Upon his father's death, Saif's elder brother, Bil'arab bin Sultan, was elected imam, serving from 1679 to 1692 amid ongoing tribal and external challenges; during this period, Saif bin Sultan participated in administrative and military roles, honing skills in leadership that later defined his own tenure.^[6] Historical records provide scant details on Saif bin Sultan's personal education or upbringing, though as a scion of an Ibadi imamic lineage, he would have been immersed in religious scholarship, tribal diplomacy, and martial training customary for potential leaders in 17th-century Oman. The al-Ya'arubi emphasis on Ibadi jurisprudence and self-reliance, rather than formal institutionalized schooling, shaped the preparation of figures like Saif for roles combining spiritual authority with temporal rule.^[7]

Rise to Imamate Amid Dynastic Challenges

Saif bin Sultan al-Yarubi, son of the previous Imam Sultan bin Saif al-Yarubi, ascended to the Imamate in 1692 following the death of his brother Bil'arab bin Sultan, who had ruled since 1679.^[8] The succession occurred amid familial rivalry, as Saif had contested Bil'arab's authority during the latter's reign, reflecting tensions over hereditary rule in the traditionally elective Ibadi Imamate system.^[9] The conflict escalated when Saif bin Sultan besieged Bil'arab at Jabrin Castle, a key inland fortress built earlier in the century as a royal residence. Bil'arab died there in 1692—accounts vary on whether by suicide or natural causes during the standoff—allowing Saif to emerge victorious and claim the Imamate with support from tribal factions.^[10]^[11] This fraternal struggle underscored dynastic vulnerabilities in the Yaruba house, where personal ambition and tribal alliances increasingly supplanted consensus-based election by ulama and sheikhs, setting a precedent for future internal power contests.^[9] Upon assuming power, Saif bin Sultan moved quickly to consolidate control, leveraging the Yaruba dynasty's established military from Portuguese expulsion campaigns to suppress lingering opposition and unify coastal and interior tribes under his leadership. His rise thus transitioned from dynastic strife to effective governance, enabling Oman's expansion as a maritime power in subsequent years.^[8]

Reign and Governance

Military Expansion and Conflicts with European Powers

Saif bin Sultan, who assumed the Imamate in 1692, prioritized naval development to project Omani power across the Indian Ocean, constructing a fleet capable of challenging Portuguese maritime dominance in the region.^[12] This expansion built on prior Ya'arubi successes but intensified under his leadership, with Omani ships raiding Portuguese holdings and securing trade routes vital for Omani commerce in spices, slaves, and ivory.^[13] The primary conflict with European powers centered on the Portuguese enclaves along the East African coast, where Lisbon maintained fortified ports to control Swahili trade. In March 1696, an Omani expedition under Saif bin Sultan's command, led on the ground by Ahmed bin Sweyl, launched a major assault on Mombasa, besieging Fort Jesus—a key Portuguese stronghold garrisoned by approximately 100 soldiers and numerous Arab and Swahili civilians seeking refuge.^[14] The siege endured for over two and a half years, from 13 March 1696 to 13 December 1698, involving a prolonged blockade that inflicted severe attrition through starvation and disease on the defenders.^[14] A Portuguese relief squadron arrived in November 1698 but failed to break the siege, prompting the fort's surrender and marking a decisive Omani victory that dismantled Portuguese hegemony on the Swahili coast.^[14] This triumph enabled further Omani advances, with forces capturing nearby islands and ports such as Pemba and Kilwa, thereby extending territorial control and facilitating the influx of Omani settlers and administrators into East Africa.^[15] These operations not only weakened European rivals but also secured Omani access to lucrative inland trade networks, though sporadic Portuguese counter-raids persisted until the early 18th century.^[12]

Domestic Administration and Economic Development

Saif bin Sultan, ruling as Imam from 1692 to 1711, emphasized strengthening domestic administration by consolidating control over Oman's interior regions from Rustaq, which served as the primary governance hub during his reign.^[16] He addressed tribal rivalries and internal stability by fortifying key sites, including enhancements to Rustaq Fort, to secure administrative authority against potential dissent.^[17] This approach prioritized land-based governance, earning him the epithet "Qaid al-Ard" (Commander of the Land), reflecting a shift toward robust internal oversight amid external military campaigns.^[18] In economic development, Saif bin Sultan significantly advanced agriculture through the expansion of falaj irrigation systems, ancient qanat networks that channeled groundwater to arid lands.^[19] Historical accounts attribute to him the construction or sponsorship of multiple falaj, such as Falaj Al-Kamel and Falaj ad-Dariz, with estimates suggesting nearly 15 such projects initiated under his rule to irrigate interior oases.^[20] ^[21] These efforts facilitated widespread planting, including 20,000 date palms and 6,000 coconut palms, markedly boosting agricultural output and supporting food security for the growing population.^[7] This agricultural focus complemented Oman's trade economy by enhancing self-sufficiency in the interior, reducing reliance on imports, and providing resources for maritime ventures.^[22] Saif also promoted ancillary activities like beekeeping, reportedly introducing advanced practices that integrated with date cultivation.^[23] Overall, these initiatives laid foundational improvements in hydraulic infrastructure during the Ya'ariba era, contributing to sustained productivity despite the region's challenging climate.^[24]

Foreign Diplomacy and Maritime Trade

Saif bin Sultan's foreign diplomacy centered on pragmatic alliances and military support to counter Portuguese influence in the Indian Ocean, enabling Omani expansion into East Africa. From 1692 to 1711, he dispatched forces to aid local rulers on the Swahili coast against Portuguese garrisons, culminating in the capture of Mombasa after a prolonged siege ending in 1698.^[12] This victory involved coordination with Baluchi mercenaries and African allies, whom he rewarded by appointing a Baluchi leader as governor of Mombasa to administer trade concessions.^[25] Further advances secured Pemba and Zanzibar, establishing Omani protectorates that blended coercive diplomacy with intermarriage and economic incentives to local elites.^[26] Relations with Safavid Persia were adversarial, marked by the brief Omani occupation of Bahrain around 1700 to disrupt Persian Gulf trade rivals.^[7] Interactions with Mughal India emphasized commercial rather than formal diplomatic ties, as Omani merchants relied on established Indian Ocean networks for exporting horses, dates, and copper while importing textiles and spices.^[27] No enduring treaties are recorded, but Saif bin Sultan's policies tolerated and indirectly supported privateering against Indian shipping to capture cargoes and weaken competitors, reflecting a realist approach prioritizing Omani naval supremacy over negotiated pacts.^[7] Under Saif bin Sultan, Omani maritime trade expanded into a structured empire, with Muscat serving as a hub for dhow fleets traversing routes to East Africa, India, and Persia. Key exports included Omani plantation products and pearls, exchanged for East African ivory, timber, and slaves, which fueled domestic agriculture and shipbuilding. The Ya'ariba dynasty, peaking during his rule, empowered this commerce through naval investments and coastal fortifications, generating revenue via customs duties on transshipped goods estimated to support fleets of over 100 vessels.^[28] By 1711, these activities had integrated Oman into broader Indian Ocean circuits, though reliant on seasonal monsoons and vulnerable to piracy reprisals.^[7]

Religious Leadership in the Ibadi Tradition

Saif bin Sultan, the fourth Imam of the Ya'ariba dynasty, acceded to the Imamate in 1692 following the death of his cousin Sultan bin Saif II, thereby assuming the paramount religious authority within Oman's Ibadi Muslim community.^[13] In Ibadi doctrine, the Imam embodies the righteous leadership (imama) elected by qualified members of the umma for demonstrated piety (taqwa), scholarly competence in fiqh and theology, and commitment to justice, rather than tribal or hereditary claims alone—a principle tracing to early Kharijite influences adapted into a consultative framework distinct from Sunni caliphates or Shi'i imams.^[29] This elective model, known as ahl al-shura (people of consultation), mandates the Imam to govern in accordance with Sharia, convene assemblies for binding advice on religious and temporal affairs, and risk deposition if failing to uphold equity.^[29] During Saif's tenure until 1711, his Imamate aligned with Ibadi norms by prioritizing the defense and propagation of the faith amid external threats, including residual European incursions that had previously endangered Muslim sovereignty in the Gulf.^[13] As spiritual head, he oversaw the application of Ibadi legal interpretations in adjudication and public worship, fostering communal adherence to doctrines emphasizing moderation, rejection of extremism, and walaya/bara'a (association with the righteous and dissociation from manifest sinners). While the Ya'ariba era marked a shift toward dynastic tendencies—deviating somewhat from pure election—Saif's selection reflected merit-based consensus among tribal and scholarly elites, sustaining the Imamate's dual religious-political mandate.^[29] Specific patronage of Ibadi scholarship under Saif remains sparsely recorded, with his efforts more prominently tied to infrastructural stability in interior strongholds like Rustaq, a historic Ibadi center where religious instruction persisted alongside fortification.^[29] This stability indirectly supported ulama networks, enabling continuity in teaching core texts on tawhid, fiqh, and imamate theory, though without evidence of novel reforms or endowments attributed directly to him. His rule thus exemplified the pragmatic Ibadi Imamate during expansion, balancing doctrinal purity with governance to preserve the sect's autonomy in a volatile regional context.^[13]

Death, Succession, and Immediate Consequences

Circumstances of Death

Saif bin Sultan died in 1711 while in Rustaq, the administrative center of the Omani interior during his imamate.^[30] Historical accounts indicate he was interred in a tomb within Rustaq Fort, reflecting his status as a prominent religious and political leader. No contemporary records specify the cause of death, suggesting it occurred under natural circumstances at the conclusion of his nearly two-decade rule marked by territorial expansion and economic prosperity. His passing prompted a relatively smooth initial succession by his son, Sultan bin Saif II, though underlying dynastic tensions would later emerge.

Power Struggles Following His Rule

Sultan bin Saif II succeeded his father, Saif bin Sultan, as Imam upon the latter's death on 4 October 1711, establishing his capital at Al-Hazm to consolidate control over coastal and interior regions.^[8] His rule faced mounting internal pressures from tribal divisions, particularly between the Hinawi and Ghafiri confederations, which had simmered during the Yaruba dynasty's expansion but intensified amid economic strains from prolonged military campaigns.^[8] Sultan bin Saif II died in 1718, triggering an acute succession crisis as his son, Saif bin Sultan II, was only twelve years old and unable to assume effective leadership.^[7] Rival claimants emerged, backed by the entrenched Hinawi and Ghafiri factions, fracturing Omani unity and sparking a civil war that persisted for over two decades, with control over key fortresses like Rustaq and Nizwa alternating between contenders.^[31] In 1720, Muhanna bin Sultan, a prominent rival, was killed, further entrenching the conflict without resolution.^[31] Saif bin Sultan II was nominally approved as Imam in 1728 but proved incapable of governance, leading to his deposition in 1732 and replacement by Bel'arab bin Hammir al-Yarubi.^[31] The ensuing power vacuum prompted factions to seek foreign intervention, including alliances with Persian forces under Nadir Shah, who occupied Muscat and other ports in 1737–1738 and again in 1742–1744, exploiting Omani disarray to extract tribute and install puppets.^[8]^[31] This period of intermittent warfare and external meddling eroded the Yaruba dynasty's authority, culminating in its collapse by 1744 and the rise of Ahmad bin Said al-Busaidi as a new power broker.^[31]

Long-Term Legacy and Historical Assessment

Contributions to Omani State-Building

Saif bin Sultan II emphasized agricultural development to bolster Omani self-sufficiency and internal stability during his imamate from 1692 to 1718. He sponsored the expansion of aflaj irrigation systems—underground channels that tapped aquifers and springs to distribute water across arid interiors—enabling cultivation in previously marginal lands and supporting population growth in rural areas.^[20] These initiatives, rooted in pre-existing techniques but scaled under Ya'ariba rule, facilitated higher crop yields, particularly of dates, which became a staple export and food source, thereby reducing reliance on imports and fostering economic resilience.^[32] Complementing irrigation efforts, Saif bin Sultan promoted afforestation by planting date palms across the Al Batinah region and interior wadis, enhancing soil retention and agricultural productivity in a region prone to flash floods and drought. This focus on water management and arboriculture not only mitigated environmental vulnerabilities but also centralized resource control under imamate authority, integrating tribal economies into a cohesive state framework.^[33] In parallel, his administration leveraged existing fortresses to extend governance reach, renovating structures like those in Rustaq to secure interior-coastal linkages and deter factional unrest, thereby consolidating the Ya'ariba state's territorial integrity amid post-expansion challenges.^[32] These infrastructural investments laid foundations for sustained Ibadi governance, prioritizing empirical resource optimization over expansionist ventures.

Criticisms and Internal Conflicts

Saif bin Sultan's centralized rule, emphasizing hereditary succession within the Ya'aruba family, provoked opposition from Ibadi ulama who adhered to the traditional elective process for selecting imams, resulting in challenges to his authority particularly in Oman's interior regions.^[31] This discord exacerbated longstanding tribal divisions between the Hinawi and Ghafiri confederations, fostering sporadic unrest and weakening unified governance despite his efforts to mediate alliances.^[34]^[35] His extended military expeditions, including campaigns in East Africa from 1696 onward, diverted significant resources toward coastal fortifications and naval expansion, which critics argued neglected interior administration and strained local economies through heavy taxation.^[31] Omani historical accounts attribute to him ill-conceived policies and governance oversights that alienated Abadi (Ibadi) scholars and ordinary subjects, sowing seeds of dissatisfaction that intensified after his death in 1711.^[31] These internal frictions, compounded by his reliance on non-Omani forces for suppression, deviated from Ibadi ideals of consultative leadership and contributed to the dynasty's eventual fragmentation.^[31]

Influence on Subsequent Omani History

Saif bin Sultan's military campaigns against the Portuguese, culminating in the recapture of Mombasa in 1698, established enduring Omani footholds along the East African coast, which outlasted the Ya'rubi dynasty and formed the territorial foundation for Oman's 19th-century imperial expansion under the Al Bu Sa'id rulers.^[13] These garrisons and trading posts in regions like Zanzibar and Pemba facilitated sustained commerce in ivory, slaves, and cloves, enabling later sultans such as Sa'id bin Sultan (r. 1806–1856) to shift the capital to Zanzibar in 1840 and elevate East Africa as the economic core of the Omani realm.^[8] This overseas orientation persisted even after the empire's partition following Sa'id's death in 1856, with Zanzibar remaining a semi-independent sultanate until British influence dominated in the late 19th century.^[36] His development of a formidable Omani fleet, comprising over 100 ships by the early 1700s, projected power across the Indian Ocean and deterred European resurgence, a naval tradition that successors emulated to maintain maritime trade dominance into the Busaidi era.^[8] This capability supported revenue from customs duties and piracy suppression, funding infrastructure that bolstered Oman's resilience amid post-1711 civil strife and Persian invasions of the 1730s–1740s, ultimately aiding Ahmad bin Sa'id al-Busa'idi's consolidation of power in 1744.^[13] Domestically, Saif's investments in falaj irrigation systems and fortification of key sites like Nizwa enhanced agricultural output and defensive capacity, contributing to economic stability that allowed Oman to rebound from Ya'rubi decline and tribal fragmentation by the mid-18th century.^[8] These material legacies, combined with his reinforcement of Ibadi elective principles—despite introducing hereditary elements—shaped the imamate's adaptive governance model, influencing the Al Bu Sa'id dynasty's blend of tribal consensus and centralized authority through the 19th century.^[36]

References

[1]
SECURITY ISSUES IN THE INDIAN OCEAN AND THE INDIA ... - jstor
Later during the regimes of Balarab bin Sultan (1679–92) and Saif bin Sultan (1692–1711) of the Ya'ariba Dynasty, attempts were made for imperial expansion but ...
[2]
Asian Merchants and State Power in the Western Indian Ocean ...
In pursuing this ambition, the Omani ruler, Saif bin Sultan (r. 1692-1711), operated a fleet of twenty-four large ships, twenty-eight smaller ones, and had.
[3]
Slavery and the Slave Trade in the Indian Ocean - Academia.edu
... Saif b. Sultan (1692-1711), who had expelled the Portuguese from the East African coast in 1699, owned 1,700 slaves and one- third of all the date-palms in Oman ...
[4]
Who Are The Sultans Of Zanzibar? - World Atlas
In 1698, Saif bin Sultan of Oman gained control of present-day Zanzibar after a conflict against Portugal in present-day Kenya.
[5]
Imam Sultan bin Saif al-Yarubi and the Castle - Omanspire.om
Imam Sultan bin Saif al-Yarubi, who liberated Muscat from Portuguese colonialism, completed the Omani jihad by expelling the Portuguese from Oman in 1650.Missing: biography | Show results with:biography
[6]
Al Minzfah: Echoes of a bygone era - Oman Observer
Feb 5, 2018 · Like his father before him, Imam Sultan bin Saif (ruled 1648-1679), Imam Saif bin Sultan Al Ya'arubi waged relentless war on the Portuguese ...
[7]
The Formation of the Omani Trading Empire under the Ya'aribah ...
Ya'ariba Dynasty had been subjected to such criticism many times during the reigns of Imam Sultan ibn Saif I and Imam Sultan ibn Saif II (Ibid. :101; Ross.
[8]
Oman: A History - Saudi Aramco World
Sa'id, another son of Imam Sultan, succeeded to the Imamate in 1692, and ruled until 1711, continuing the policies laid down by Imam Sultan. He enlarged the ...
[9]
Summary of Chapter 4 (A): The Rise and Fall of the Yarubids Dynasty
Hazm castle Imam. Sultan bin Saif || was the beginning of Yarubids house falling down He left several young sons, the oldest was only 12 what led to conflict ...Missing: Yaruba challenges
[10]
The Western Hajar Travel Guide | Rough Guides
Here you'll find the wonderfully atmospheric tomb of imam Bil'arab bin Sultan bin Saif, who is said to have died by his own hand at Jabrin in 1692 at the end of ...
[11]
Nizwa, Al Hamra and Misfah - on the road in Oman
Jabrin Castle was built in 1670 as a summer residence for Bil'arub bin Sultan al-Yaruba. ... The sultan died during the siege and his brother took over. He ...
[12]
[PDF] THE OMANI-PORTUGUESE CONFLICT (1692-1711)
In conclusion, it is clear that the Imam of Oman Saif bin Sultan had an excellent political character who had significant qualifications of leadership ...
[13]
History of Oman | Royal Air Force of Oman - RAF Museum
In the late 17th century, the Imam of Oman, Saif bin Sultan, began a process of expansion down the east coast of Africa. In 1749, the current Al Said ...
[14]
Fort Jesus Mombasa: a Portuguese fortress in Kenya
Jan 10, 2014 · It was in 1696 that a large Omani Arab expedition reached Mombasa. From 13 March 1696 the fort was under siege, the fort having a garrison ...Missing: Saif bin<|separator|>
[15]
The rich history behind Fort Jesus and ruthless fights over its control
Dec 25, 2020 · The fort was subject to an epic siege by the Omani Arabs led by Saif bin Sultan, from 1696-98 marking the end of Portuguese dominance at the coast.
[16]
https://www.middleeast.com/oman.htm
[17]
[PDF] Oman: Arabia's Ancient Emporium 2026 - ASA Cultural Tours
to have been introduced by Imam Saif bin Sultan, a well known apiarist, in the 17th century. During this afternoon's program we visit some traditional ...
[18]
Beirut - Middle East
Its long history and ancient traditions are strengths that have underpinned its modern development guided by its Government, which is led by His Majesty Sultan ...Missing: ibn upbringing<|separator|>
[19]
(PDF) Overview about the Aflaj of Oman - ResearchGate
Oct 27, 2018 · Oman is one of the few countries that has developed a unique hydraulic system called 'Falaj' to overcome the drought issues and provided Oman ...
[20]
Inside the belly of Falaj Al Kamel - Oman Observer
Sep 15, 2021 · ... project which dated back to the early 17th century. The project was undertaken by Imam Saif bin Sultan al Yarubi during his reign between ...Missing: interior | Show results with:interior
[21]
[PDF] Water-distribution-management-of-Aflaj-irrigation-systems-of-Oman ...
The local people of falaj ad-Dariz believe that this falaj is constructed during the era of Imam Saif bin Sultan. ) نﺎﻄﻠﺳ ﻦﺏ ﻒﻴﺳ مﺎﻣﻻا. ,. ضرﻷا ﺪﻴﻗ. (. (AD.
[22]
https://oxfordre.com/africanhistory/display/10.1093/acrefore/9780190277734.001.0001/acrefore-9780190277734-e-879
[23]
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to have been introduced by Imam Saif bin Sultan, a well known apiarist, in the 17th century. During this afternoon's program we visit some traditional ...
[24]
[PDF] THE SOCIAL IMPORTANCE AND CONTINUITY OF FALAJ USE IN ...
Many aflāj in Oman were built over 1,500 years ago and some of them may date back over 2,500 years. There was a major period of construction during the Yacāriba.
[25]
Brief History of the Relationship between Oman and Baluchistan
May 4, 2018 · The Yaruba Dynasty ruled Oman from 1624 to 1744 and the Al ... Saif bin Sultan Al Yarubi. The city of Mombasa was invaded by Omani ...
[26]
[PDF] omani presence in east africa - oman.de
Through the dealings in trade they created certain social relations and the best way of winning the trust of the local population was through intermarriage.
[27]
Oman's Historical Relationships with Other Countries - ICSP Blog
May 11, 2021 · This outreach established Oman's role in the Indian Ocean as it became a powerful regional trading power based on maritime trade. Throughout ...
[28]
https://brill.com/display/book/edcoll/9789004356481/BP000011.xml
[29]
Sultanate and Imamate in Oman - ICWA
Ibadis use the term Imam instead of caliph although the two are interchangeable in terms of being the leader of the umma, or community of Muslims.Missing: Saif | Show results with:Saif
[30]
[PDF] Al-Mousawi, Hussain Ben-Al-Seyed-Yousuf Hashim (1990) A history ...
) Saif 1 died in 1711\12 and was succeeded by his son Sultan II (1711 ... Portuguese in 1650, under the Imam Saif Bin Sultan. We are not now able to ...<|control11|><|separator|>
[31]
[PDF] JOURNAL FOR IRANIAN STUDIES
The history of the Alya'aribah family (7) began when the people of Oman ... First, weakening then eliminating the Yaruba dynasty. During the period of.
[32]
the formation and influence of the military architecture in oman ...
Dec 15, 2021 · Sultan Bin Saif rst built the forts of Sohar,. Liwa, and Bat before intervening in Nizwa fort [22][27]. The tradition of building huge round ...
[33]
The Formation and Influence of the Military Architecture in Oman ...
Al-Ya'ariba Imams reunited Oman's interior lands to its pacified coast and consolidated their State politically, militarily, and economically.
[34]
[PDF] 530847.pdf - White Rose eTheses Online
Then his second son, Saif Bin Sultan followed him, then Sultan Bin Saif the Second and ... long tribal conflict between the Hinawi and Ghafri blocs, discussed in ...
[35]
Democracy and Youth in the Middle East: Islam, Tribalism and the ...
... tribal conflict between blocs of Hinawi and Ghafri. Again, the repercussions ... Then his second son, Saif Bin Sultan, followed him, then Sultan Bin ...
[36]
[PDF] Oman in Perspective (PDF) - DLIFLC
Saif bin Sultan eventually gained control and ruled until 1711. But in. 1718, civil war broke out. The tribal chieftains supported Imam Sultan's son, Sultan ...