Narrated from Muhammad ibn al-Husayn, from al-Hasan ibn Ali ibn Yusuf, from Mu'adh al-Jawhari, from Amr ibn Jumay', from Abu Abdullah عليه السلام, who said: Imam عليه السلام said: "The Messenger of Allah سبحانه وتعالى, peace and blessings be upon him and his family, if he missed the funeral prayer for the deceased, would pray at their grave."