Looking for Information on My Grandfather Hamiora Rakato Lived Te Puke Early 1900s His Father Henare Rakato Hamiora and His Father Hamiora

Mum said her fathers father came up from the south Island and her great grandfather came over on a ship from Scotland and married into Maoris in the south island. Unsure of location. They came north flax cutting.
Any information greatly appreciated.