Musannaf Ibn Abi Shayba 28:920

33448. Abd al-Rahim ibn Sulayman narrated to us, from Muhammad ibn Ishaq, from al-Zuhri, from Sa'id ibn al-Musayyib, from Jubayr ibn Mut'im, who said: The Messenger of Allah (may Allah bless him and grant him peace) divided the share of the kinsfolk among Banu Hashim and Banu al-Muttalib.