He was a older brother of the Emperor Kaika and Sukunahikowokokoro no Mikoto (or in "Kojiki" (The Records of Ancient Matters) he was called Sukunahikotakeikokoro no Mikoto, and maternal grandfather of the Emperor Suinin.
開化天皇と少彦男心命（古事記では少名日子名建猪心命）の同母兄で、垂仁天皇の外祖父に当たる。