Fāṭima bint al-Qāsim (Arabic: فاطمة بنت القاسم), commonly known by her kunya Umm Farwa (Arabic: أم فروة), was the wife of the fifth Shia Imam Muhammad al-Baqir and the mother of his successor, Ja'far al-Sadiq.
[1] Umm Farwa's father was the Islamic jurist Al-Qasim, son of Muhammad ibn Abi Bakr.
Her mother was Asma, daughter of Abd al-Rahman ibn Abi Bakr.
Umm Farwa was therefore a great-granddaughter of Abu Bakr, the first Rashidun Caliph, twice-over.
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