 became offended when his father elevated his older half-brother ahead of him.When was about to use a sacred comb belonging to , rebuked him, pointing out that was of high rank while was of low birth, because his mother was a slave wife.Some tellings also say Uenuku had built a canoe for his 70 sons and set about to do their hair with sacred combs for the first voyage, or that Ruatapu was about to use Uenuku's own sacred comb rather than Kahutia's.