Musnad Abu Ya'la al-Mawsili 42:40

Abu Bakr narrated to us, Muhammad bin Bishr narrated to us, Zakariya bin Abi Za'idah narrated to us, 'Atiyyah narrated to me, from Abu Sa'id, from the Prophet (peace and blessings of Allah be upon him), who said: "Among my Ummah are those who will intercede for a man and his household, and they will enter Paradise by his intercession."