Rihari Tahuaroa Aka Te Whawai and Roka Pawau Aka Pirihira Both from Taranaki

I would like to know more about my ggg grandparents. Rihari Tahuaroa was a high chief of Patea registered at Auckland University in transcripts, and succeeded by blood birth right from Tahuru TeManu Toheroa and Roka was a Princess from Taranaki Ngati TeWhiti by blood birth right from Ruihi Paritutu of Taranaki