According to "Kuni no miyatsuko hongi," Chichibu no kuni no mikoto, the 10th descendant from Omoikane no mikoto, was appointed as Chichibu no kuni no miyatsuko during the reign of Emperor Sujin.
『国造本紀』には崇神朝に10世孫の知知夫命が知々夫国造に任じられたとある。