According to the "Kojiki," the father of Prince Yamashiro no Otsutsukimawaka was Prince Hikoimasu (Hikoimasu no miko), and his mother was Oketsuhime no Mikoto.
『古事記』によれば、父は彦坐王（ひこいますのみこ）で、母は袁祁都比売命（おけつひめのみこと）。