Hadith 25:309
Waki’ narrated to us, from Sufyan, from Ibn Abi Dhi’b, from al-Zuhri, who said: The *aqib* (descendants) of a man are his children. And the children of his children from the male line.
حدثنا وكيع عن سفيان عن بن أبي ذئب عن الزهري قال عقب الرجل ولده وولد ولده من الذكور