SAEKI no Miyatsuko was recorded in the volume of Jo, Shinbetsu, Ukyo of "Shinsen Shoji-roku" (Newly Compiled Register of Clan Names and Titles of Nobility), according to it, his former surname was "Saekibe."
佐伯造（-みやつこ）は、『新撰姓氏録』右京神別上に見え、旧姓は「佐伯部」。