I too are related to Kaahanui and Akiu. My grgrandmother Rebecca Akiu's mother is lonokahikina Kaahanui whose parents are Kaahanui and Pele. Please contact me for futher sharing and manao. Eh kala mai for taking so long to find this ad. I've only just started my reseach online. I am also intrested in the name Piwai from Keanae also . My grgrandmother Rebecca Akiu married a John N. Halemano. I am also intrested in that avenue of research for my Halemano family too.