Earth continued to live for a long period of time while ignorance aggravated, oppression spread, Prophets and Messengers killed, the arrogant did mischief in the land, people became a dummy in the hands of magicians and imposters, and the wisdom of medical doctors got mixed up with deceit and prognostication of fortune- tellers.
During that era of prevalent ignorance, 'Isa (p.b.u.h.), the miracle, came to the world.
He is the Imam Husayn the son of the Imam Ali, may Allah be satisfied with him, the son of Abi Talib, the uncle of the Prophet peace be upon him. And his mother is the Lady Fatima al-Zahra may Allah be satisfied with her, the daughter of the Messenger of God peace be upon him, and that is the most honorable relation.