Umm Muhammad was the daughter of Muhammad Ibn Ja'far Ibn Abi Talib al­Hashimi, the granddaughter of Asma' Bint 'Umays, and the sister of Umm­Ja'far Ibn Muhammad Ibn Ja'far.

Shaykh al-Saduq mentions her in his book on transmitters of traditions in the section about Asma' Bint 'Umays, when relating the tradition about 'recourse of the sun', which has been translated in the section about Asma'. In some copies of his book, Umm Muhammad's name is given as Umm Musa.1

She has related traditions from Asma' Bint 'Umays (her grandmother), and 'Umarah Ibn Muhajir has related traditions from her.

Shaykh al-Saduq, relying on his own sources, quotes 'Umarah Ibn Muhajir from Umm Muhammad Bint Muhammad Ibn Ja'far from Asma' Bint 'Umays about the tradition of the 'returning of the sun', which has been quoted in full in the section about Asma' Bint 'Umays.

• 1. Al-Faqih, vol. 4, p. 438.