According to "Kokuzo hongi" (the original record of provincial governors), Oshitateketahi, the 7th descendant from Takehiyodori no Mikoto, became Kamitsuunakami no kunimiyatsuko during the reign of Emperor Seimu, and a grandson of Oshitatutakehi became Shimotsuunakami no kunimiyatsuko during the reign of Emperor Onin.
『国造本紀』その7世孫忍立化多比が成務天皇朝に上海上国造になり、その孫久都伎直が応神天皇朝に下海上国造になったという。