4-23 In another tradition from Muhammad ibn Al-Hassan ibn Ahmad ibn al-valid - may God be pleased with him - it is narrated that Muhammad ibn Al-Hassan al-Saffar quoted on the authority of Ahmad ibn Muhammad ibn Isa, on the authority of Abdullah Muhammad al-Hajjal, Ahmad ibn Abi Nasr al-Bezanti, Muhammad ibn Sinan, Ali ibn Sinan, and Ali, on the authority of al-Hakam, on the authority of Al-Hussein ibn al-Mukhtar who said, “These sheets came to us from Abi Ibrahim Musa (s) while he was in prison in which it was written, “My successor is my oldest son.”