"Nihon Shoki" Volume 6 Number 1 includes the description of '事代主神化爲八尋熊鰐 通三嶋溝樴姫 或云 玉櫛姫 而生兒 姫蹈鞴五十鈴姫命 是爲神日本磐余彦火火出見天皇之后也,' which means that Kotoshironushinokami had transformed himself into Yahirowani (eight-fathom shark) and paid frequent visits to Mishimanomizokuhihime, also known as Tamakushihime, and that Himetataraisuzuhime was born to the couple.
『日本書紀』第6の一書では「事代主神化爲八尋熊鰐通三嶋溝樴姫或云玉櫛姫而生兒姫蹈鞴五十鈴姫命是爲神日本磐余彦火火出見天皇之后也」とあり事代主神が八尋鰐と化し三嶋溝樴姫あるいは玉櫛姫のもとに通い、媛蹈鞴五十鈴媛命が生まれたという記述がある。