Greatgranddaughter of Hasan, the older of the Prophet Muhammad's two grandsons. Wife of Ishaq al-Mutamin, son of the sixth Shii imam, Jafar al-Sadiq. Emigrated with him from the Hejaz to Egypt. Settled in Fustat. Famous for her piety and scholarship. Taught hadith to the jurist al-Shafii. Had a great reputation for possessing barakah (blessings from God) and performing miracles. Traditionally considered among the city's patron saints. Her shrine is located in Cairo's Southern Cemetery. It is said that she built it herself and read the Quran there long before her death. The shrine's prominence dates to the Fatimid period, and the structure has been repeatedly embellished and rebuilt. The present mosque dates to 1897. Miraculous cures and other signs of intercession are still attributed to her shrine. The land around it is a coveted place for interment.