Christian-Muslim Relations 600 - 1500

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Abū Yaʿqūb al-Sijistānī
(406 words)

Abū Yaʿqūb al-Sijzī

Date of Birth: Unknown

Place of Birth: Sijistān

Date of Death: Unknown, after 971

Place of Death: Sijistān


Personal information about Abū Yaʿqūb al-Sijistānī (or al-Sijzī) is very scanty. He was an Iranian and belonged to the Ismāʿīlī Shīʿā, of which he was a leading dāʿī and theologian in the mid-10th century. It is known that he became involved in a feud between leading Ismāʿīlīs in the earlier decad…

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Thomas, David, “Abū Yaʿqūb al-Sijistānī”, in: Christian-Muslim Relations 600 - 1500, General Editor David Thomas. Consulted online on 15 October 2019 <>
First published online: 2010

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