In 790, when Sugano no Asomi presented a change of the family name to the emperor, there was a name of Jintei KUDARANOKONIKISHI along with successors,and therefore it shows that he was in the highest position, and thus the head of the Kudara Clan ("Shoku Nihongi," July 17).
また延暦9年（790年）菅野朝臣の改姓上表で百済王仁貞らが後継者然と名を連ねていることより、百済系氏族の長的地位にあったことが知られる（『続日本紀』七月一七日条）。