 Rātā's sons by Tonga-rau-tawhiri were Tūwhakararo and Whakatau.In other accounts, their parents were Tūhuruhuru and Apakura.In other accounts still, Apakura as Tūwhakararo's wife threw an apron or girdle into the ocean, which a deity named Rongotakawhiu turned into Whakatau.