Hadith 1-2

[2] According to some references Imam Musa ibn Ja’far (a.s.) had as many as 39 children. They include Ali ibn Musa Al-Ridha’ (a.s.), Abdullah, Husayn, Farz, Ali, Hassan, Ahmad, Muhsen, Saradin, Abdullah, Aqeel, Tayyeb, Muhammad, Nasir, Yasir, Hamza, Mahmood, Ahmad, Ridha’, ShahRidha’, Sam, Lam, Yaqoob, Ja’far, Ibrahim, AbuJavab, Yusuf, Fatima, Amina Khatoon, Khanoom Aqa, Tavoos Khatoon. According to the hypertext material at the following url address: http://www.coej.org/islamic_resources/7thimam.htm, he (a.s.) had 19 sons & 18 daughters. The most famous of his sons is his successor, Imam Ali Al-Reza (a.s.) buried in Mashhad and the most famous of his daughters is Fatima Kubra known as Masuma who is buried in Qum. Yasir and Nasir are also buried in the suburbs of Mashhad on the road to Torqaba. Another one is said to be buried in Babol in the north of Iran in a place known as Imamzadeh Sultan Muhammad Taher. This shrine is located 3 km east of Babol and has been officially registered as an Iranian historical relic. Its tower is octagonal and each line is erected on a rectangular artificial arch at the bottom. The shrine was built in the year 1470 A.D.