The wife of Hema, and mother of Tāwhaki and Karihi. When Hema was killed by the Ponaturi, Urutonga was taken prisoner and made guardian of the door of their house, Mānawa-tāne: hence, she was called Tatau. She assisted her sons to rescue the bones of Hema, and to slay the Ponaturi.
- Grey, Sir George. (1855). Polynesian Mythology. Auckland: Brett, p. 36.
- Tregear, Edward. (1891). Maori-Polynesian Comparative Dictionary. Wellington: Government Printer, p. 581.