When Henry Preston Barrington Harper was born on February 2, 1909, in Kirup, Western Australia, his father Henry was 35 and his mother Eliza, was 40. He married Jean Irene McMurray-Wallace in 1946. They had three children during their marriage. He died on October 2, 1986, in Prahran, Victoria, at the age of 77.

According to his death Certificate, Henry died of fungal pneumonia and septicemia as well as chronic lymphocytic leukemia.

Info at St Kilda Cemetery: http://stk.smct.org.au/deceasedsearch/result/513238

Henry and his wife Jean had 3 children. His oldest daughter, Dale (Baroness Tryon), was a close friend of Prince Charles (England) and Diana, Princess of Wales.

Dale Tryon Wikipedia page.