Marutūāhu, Marutūahu or Marutuahu is a collective of the Māori iwi (tribe) of the Hauraki region of New Zealand. The confederation is made up of the tribes of Ngāti Maru, Ngāti Paoa, Ngāti Tamaterā, Ngāti Whanaunga and Ngāti Rongoū. Marutūāhu married two sisters, Hineurunga and Paremoehau, and had four sons: * Tamatepō, ancestor of Ngāti Rongoū * Tamaterā, ancestor of Ngāti Tamaterā * Whanaunga, ancestor of Ngāti Whanaunga * Te Ngako, ancestor of Ngāti Maru