Musannaf Ibn Abi Shayba 26:143

Waki’ narrated to us, he said: Al-A’mash narrated to us, from Ibrahim, who said: ‘Abdullah used to not return [the surplus of the inheritance] to six: He would not return to a husband, nor a wife, nor a grandmother, nor to a paternal sister with a full sister, nor to a maternal sibling with a mother, nor to a granddaughter with a daughter of the loins.