ʻUmi-a-Līloa (fifteenth century) was the supreme ruler Aliʻi-ʻAimoku (High chief of Hawaiʻi Island) who inherited religious authority of HawaiʻiHawaiian Islands from his father, High Chief Līloa, whose line is traced, unbroken to Hawaiian "creation".[1] Aliʻi-ʻAimoku is the title bestowed on the ruler of a moku, district or island. His mother was Akahi. She was of a lesser line of chiefs who Līloa had fallen in love with when he discovered her bathing in a river. He became Aliʻi nui after the death of his half-brother Hākau, who inherited the lands of his father to rule.[2] ʻUmi-a-Līloa was considered a just ruler, religious[3] and the first to unite almost all of [Hawaii (island].[4] The legend of Umi is one of the most popular hero sagas in Hawaiian history. While there is probably embellishment to the story, as many sagas do, a portion of historical accuracy remains.[5]
ʻUmi-a-Līloaʻs wife was Princess Piʻikea,[6] daughter of Piʻilani, Aliʻi-ʻAimoku of Maui. Piʻikea and ʻUmi were the parents of son Kumalae[7][8] and daughter Aihākōkō.