According to the "Kojiki" and the "Nihonshoki," the Emperor Chuai met with his demise during the Shiragi seito (the Conquest of Silla [ancient Korean Kingdom]), and then Empress Jingu gave birth to Homutawake no Mikoto (later, he became the Emperor Ojin.)
『古事記』『日本書紀』によれば、新羅征討中に仲哀天皇が崩御し、神功皇后が筑紫国で応神天皇（ほむたわけのみこと、後の応神天皇）を出産した。