Ismail I father Shaykh Haydar
Origins
Ismail I was born to Martha and Shaykh Haydar on July 17, 1487, in Ardabil. His father, Haydar, was the sheikh of the Safavid tariqa (Sufi order) and a direct descendant of its Kurdish founder, Safi-ad-din Ardabili (1252–1334). Ismail was the last in this line of hereditary Grand Masters of the order, prior to his ascent to a ruling dynasty.
His mother Martha, better known as Halima Begum, was the daughter of Uzun Hasan, the ruler of the Turkoman Aq Qoyunlu dynasty, by his Pontic Greek wife Theodora Megale Komnene, better known as Despina Khatun. Despina Khatun was the daughter of Emperor John IV of Trebizond. She had married Uzun Hassan in a deal to protect the Empire of Trebizond from the Ottoman Turks. Ismail was a great-great-grandson of Emperor Alexios IV of Trebizond and King Alexander I of Georgia. 
Roger Savory suggests that Ismail's family was of Iranian origin, likely from Iranian Kurdistan, and later moved to Azerbaijan where they assimilated into the Turkic Azeri population. His ancestry was mixed, from various ethnic groups such as Georgians, Greeks, Kurds and Turkomans; the majority of scholars agree that his empire was an Iranian one.In 700/1301, Safi al-Din assumed the leadership of the Zahediyeh, a significant Sufi order in Gilan, from his spiritual master and father-in-law Zahed Gilani. The order was later known as the Safavid. One genealogy claimed that Sheikh Safi (the founder of the order and Ismael's ancestor) was a lineal descendant of Ali. Ismail also proclaimed himself the Mahdi and a reincarnation of Ali.
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