Musnad Abu Ya'la al-Mawsili 163:3

Uthman ibn Abi Shaybah narrated to us, Jarir narrated to us, from Shaybah ibn Na'amah, from Fatimah bint al-Husayn, from Fatimah the Elder, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "For every children of a mother, there is a lineage (asabah) to which they are attributed, except for the children of Fatimah; for I am their guardian (wali) and I am their lineage (asabah)."