She was the former wife of Lindsay Anton Faye, and she later married George Rossman Humphrey.

On October 24, 1937, after a wild party, Kinslea was found dead and stabbed in the neck with a broken piece of crockery.

Four years before, Kawānanakoa had received a suspended sentence for killing a woman due to his reckless driving.

[3]: 171 [4][5] Kawānanakoa married a third time, on October 27, 1949, to Cecelia Kuliaikanuʻuwaiʻaleʻale Parker-Waipa (1907–1981), daughter of Stephen Keaolani Parker-Waipa and Helen McCabe Wong and granddaughter of Robert Parker Waipa, a former Royal Guard captain for King Kalākaua.

He was buried there in the Royal Mausoleum of Hawaii at Mauna ʻAla in Nuʻuanu Valley.