Sadr is a branch of Sharafeddine (Arabic: شرف الدين‎) family from Jabal Amel in Lebanon. The Sharafeddine family itself is a branch of the Nour eddine family, which traces its lineage to Musa al-Kazim (the seventh Shi'a Imam) and through him to the first Imam, Ali ibn Abi Talib and Fatima Zahra, the daughter of Muhammad (d.632). The as-Sadr family has produced numerous Islamic scholars in Iran, Lebanon, and Iraq, including Ismail as-Sadr (d.