Complex sentence: It is said that he is the ancestor who binds Ngāti Porou descendants to the beginnings of human existence and that he fished up the North Island from the bottom of the ocean.
Split into simpler sentences: It is said that he is the ancestor who binds Ngāti Porou descendants to the beginnings of human existence. In it he is said to have fished up the North Island from the bottom of the ocean.