According to the "Ogamo family tree," Emperor Tenchi granted the title "Ogamo" to OGAMO no Nushi, whose years of birth and death are unknown, with the rank of jushii (junior fourth rank) in 665, and he was allowed to become a member of the Office of Waka.
「小鴨家系図」によれば生没年不詳の小鴨主は天智天皇3年（665年）に「小鴨」号を賜り、従四位の位を授けられ、和歌所に加わることを認められた。