Imam mahdi’s mother was Narjes Khatun(madam) that from father side is Joshua’s daughter, the son of the Cesar, Byzantine Empire and from mother side it reverts to Simeon(st.peter) one of the Jesus’ apostles that is transferred from Rome to Medina and then in Imam Hadi’s (10th shiite imam) house got acquainted to Islam Rules
_________________________________________________
More info in this link
کلمات کلیدی: the savior، seeking the savior، end of time، different religions، the savior in different religions