In 736, he and his younger brother Sai no Okimi asked to succeed TACHIBANA no Sukune (sukune refers to the third highest of the eight hereditary titles), which was the surname of their mother TACHIBANA no Michiyo, and permitted.
天平8年（736年）弟の佐為王と共に母・橘三千代の姓氏である橘宿禰を継ぐことを願い許可される。