Name, date and country of birth and death, from research file10 in June 2017.

Year and country of marriage from search on New Zealand BDM website in January 2024:
1948/396. Bride: Phyllis Joyce Kent. Groom: Douglas Nelson Heaps

Full date of marriage of 6 March 1948 from further searching in January 2024 on BDM Search by incrementally changing the date range for the marriage.

Year and country of death, date of birth confirmed, from death search on New Zealand BDM website in January 2024:
2002/12298. Heaps, Douglas Nelson. Date of birth: 24 September 1925

Full date of death of 29 May 2002 confirmed from further searching in January 2024 on BDM Search by incrementally changing the date range for the death.