His real name was Tachibana no Toyasu and he lived in the Iyo Province of the Iyotachibana clan (a branch family of the Ochi clan) that descended from Kumanokuni no miyatsuko.
本姓は熊野国造の系統に属する伊予国の伊予橘氏（越智氏の分家）の橘遠保という。