Sheikh Muhammad Uthman Siraj al-Din Naqshbandi (1896 in Biyara, ￶ â 1997 in Istanbul, Turkey), nicknamed Siraj al-Din al-Thani, meaning the second Siraj al-Din, in honor of his great-grandfather Uthman Siraj al-Din Naqshbandi, was an Islamic scholar, mystic of the Naqshbandi order. He belonged to one of the most influential noble households of the Middle East and Ottoman Empire, the Sheikhs of Tavil.
Muhammad Uthman Siraj al-Din, grandson of and son of , was descended from Muhammad ibn Abdullah through Husayn ibn Ali, making him a sayyid. As he was named Uthman in honor of his great-grandfather Uthman Siraj al-Din Naqshbandi, he was given the nickname "al-Thani", which means the second in Arabic. Muhammad Uthman Siraj al-Din was of Iraqi Kurdish origin and born in 1896 in the village of Biyara, to the Sheikhs of Tavil household. After studying religious sciences under the supervision and training of his father at a young age, he completed his education in the Arabic and Persian languages at the Duru and Biyara madrasas. Following the death of his father, he settled in the Biyara takiyya.
Muhammad Uthman Siraj al-Din brought back to life the Duru takiyya founded by his father in Iranian Kurdistan. As a result of his travels to different parts of Iran, he established a strong bond between the members of the Khalidi Naqshbandis in the Sunni Kurdish regions and the Talish region of Iran. He had a school built for 450 students providing education in the field of Islamic sciences. At the same time, more than 100 schools were built in the region under his leadership. There was an increase in the number and activities of Naqshbandi members during the twenty-year period he was in Iran.
Strawberry farming was introduced to Iranian Kurdistan by Muhammad Uthman Siraj al-Din Naqshbandi in the 1960s.
He also founded and led a pro-Iraq militia called the Salvation Force during the Iran-Iraq war which received direct support from the BaâÂÂath party and gave a fatwa calling to cut off the heads of Iranian soldiers, saying whoever does so 10 times is guaranteed heaven. He spent much of the remaining years of the war clashing with rival Kurdish militias who he branded atheists (âÂÂkuffarâ in Arabic).
Muhammad Uthman Siraj al-Din settled in Turkey in 1990 and held religious conversations with his domestic and foreign visitors in his guesthouse in the neighborhood of Istanbul. He sought remedies for the material and spiritual ailments of the people who came to him. He asked people to work hard to earn a halal livelihood and advised young people to learn useful knowledge and sciences. People came to him for important life decisions and he would guide them with divine inspiration. He was also an expert in herbal medicine and left a written record of it.
Muhammad Uthman Siraj al-Din died on January 30, 1997 and was buried in the garden of his takiyya in the Hadñmköy neighborhood of Istanbul.