The IsmailiImamatis a hereditary office in succession from the firstImam, Hazrat Ali, the cousin and son-in-law of Prophet Muhammad, who was married to HazratBibiA word of East Turkish origin which means old mother or a grandmother. It is also used in Persian and Urdu in the sense of woman of the house, as… Fatimat-az-Zahra, the Prophets daughter and only surviving child.