When Tubou David Hettig was born on 20 September 1908, in Tongatapu, Tonga, his father, William Jacob Detrick Hettig, was 34 and his mother, Makelesi Tuiomo, was 30. He married Emma Florence Speckart on 1 January 1933, in Utah, Utah, United States. They were the parents of at least 1 son and 1 daughter. He lived in Logan, Cache, Utah, United States in 1935 and Salt Lake City Ward 1, Salt Lake City, Salt Lake, Utah, United States in 1940. He died on 27 March 1957, in San Francisco, San Francisco, California, United States, at the age of 48, and was buried in Colma, San Mateo, California, United States.