According to "Kokuzohongi" (The Original Records of Provincial Governors), Otamuyawake, the third descendant of Hikoimasu no Miko (a prince of Emperor Kaika), is said to have been appointed the Omi no kuninomiyatsuko in Seimu Emperor's era.
『国造本紀』によると、成務天皇朝に彦坐王3世孫の大陀牟夜別が淡海国造に任じられたという。