Ahlebet's family and epistle and Imamate's last ancestors is from prophet Ibrahim's(A.S) generation and Ismaeel Zabih's grand child and it reach to Abdolmotalleb in the chain of divestive.

Imam sadiq's father (A.S) is Imam Mohammad Baqir(A.S) the son of Imam Ali Ibn A-Hossein Zeynol Abedin(A.S).
Imam Baqir was born in the first day in Rajab month in Medina and in 114 lunar year martyred in order of Hisham Ibn Abdolmalek,the tenth Amavi's caliph in Medina. He was about 19 years and 10 month and 12 day moslim's Imam.

Being Ahlebeyt in Imam sadiq's life and his family's dignity. He is from epistle and revelation family. He was grown up in revelation environment and in Imamate protection.His family is purging and purging verse is came down for them that God commanded: