That would be the greatest privilege for me over all the Arabs and non-Arabs!

That would be the greatest privilege for me over all the Arabs and non-Arabs!” Imam (a.s.): “The Prophet would never ask for my daughter’s hand; nor would I accept his proposal.” Hārun: “Why?” Imam (a.s.): “Because the Prophet is my direct ancestor (even though from my grandmother’s side); but he is not your ancestor.” The Imam was saying that all the descendants of Fātimah would be considered the children of the Prophet, and, therefore, it would be unlawful for the Prophet to marry any one of them.

Whereas the ‘Abbasids descended from the Prophet’s uncle ‘Abbas, so they are not directly related to him; the Prophet, if he wished, could marry the descendants of his uncle. This difference shows that the Imams of Ahlu ’l-Bayt had full right to be addressed as “the son of the Prophet”. Finally he died in Baghdad in the prison of Sindi ibn Shāhak through poisoning and was buried in the cemetery of the Quraysh which is now located in the city of Kazimayn.