Musannaf Ibn Abi Shayba 18:1231

Abu Bakr narrated to us, he said: Yahya ibn Yaman narrated to us, from Sufyan, from Ibn Abi Dhi'b, from al-Zuhri, regarding the one who is retaliated against and then dies: He said: The blood money (diyah) is upon his paternal relatives (aqilah).