Ali ibn Ibrahim, from his father, from Ibn Abi Umayr, from Umar ibn Udhaynah, from Zurarah, from Abu Ja'far عليه السلام, who said: Imam عليه السلام said: "The Messenger of Allah سبحانه وتعالى, peace be upon him and his family, used to do something for the deceased among Banu Hashim specifically that he did not do for any of the other Muslims. Whenever he prayed over a deceased member of Banu Hashim and sprinkled water on their grave, the Messenger of Allah سبحانه وتعالى, peace be upon him and his family, would place his hand on the grave until the imprint of his fingers could be seen in the soil. So, when a traveler or someone returning to Medina saw a new grave with the imprint of the Messenger of Allah’s سبحانه وتعالى hand, peace be upon him and his family, they would say: 'Who has died from the family of Muhammad صلى الله عليه وعلى آله وسلم, peace be upon him and his family?'"