Sayeda Aisha Mosque is a mosque in Cairo Egypt which contains mausoleum for Sayyida Aisha a daughter of Ja'far al-Sadiq and a sister of Musa al-Kadhim The tomb of Sayyida Aisha remained until around the 14th Century as a simple shrine consists of a square chamber topped by a dome based on two rows of the muqarnas In the Ayyubid era a school was established next to the dome When Salah al-Din al-Ayyubi surrounded the four Islamic capitals of Egypt, Fustat al-Askar, Qataim and Cairo with one wall during the siege by the Crusaders the wall had separated the dome from the rest of the large scale cemetery area City of the Dead Thus Salah al-Din established a gate in the wall and called it a Gate of Aisha Today the gate is known as Bab al-Qarafa  The old building was demolished and reconstructed in the 18th Century during the reign of Amir Abdul Rahman Katakhad The mosque today is located at the beginning of Sayyida Aisha street bound to Muqattam City Current building is a square shaped structure surrounded by hallways