His mother Sahohime no mikoto killed herself, involved in the rebellion (Rebellion of Sahohime no mikoto and Sahohiko no miko) touched off by her elder brother Sahohiko no miko.
母の狭穂姫命はその兄狭穂彦王の興した叛乱（狭穂姫命狭穂毘古の叛乱）の際に自殺。