Korokī's younger brother Taipū died in 1924,[2] shortly after arriving at Wesley College.

[1] In his first few years as king, he was closely supervised by his father's brothers Tumate and Tonga Mahuta, and Haunui Tawhiao, brother of his grandfather King Mahuta.

Two of his main confidants and supporters were Pei Te Hurinui Jones and Piri Poutapu.

[3] On 30 December 1953 he received Queen Elizabeth II when she called at his official residence at Tūrangawaewae marae at Ngāruawāhia during the coronation tour.

He was succeeded by his daughter Piki, who was given her mother's name of Te Atairangikaahu at her coronation.