His younger maternal half-brother was Yamatotarashihiko kunioshihito no mikoto (later the Emperor Koan), whose empress Oshihime no mikoto is described as a daughter of Amatarashihikokuni oshihito in the text of the "Nihon Shoki."
同母弟に日本足彦国押人尊（孝安天皇）がおり、『日本書紀』本文での皇后・押媛命は天足彦國押人の娘と記述される。