First two initials of given names from newspaper report found in May 2020 with photo on wedding of daughter, Fay Colina Bellringer, to James Martin:
http://new-plymouth.com/pdf/apr64pg40-67.pdf

Given names, estimated year of birth of 1908, date and place of death and burial, from burial information from New Plymouth District Council search in May 2020:
BELLRINGER, Neville Haynes
Last Address: 151 Ngamotu Road, New Plymouth
Age at Death: 76 Years
Date of Death: 31 Oct 1984
Category: Burial
Funeral Director: R.C. Vosper, Now Vospers Funeral Home, 257 Devon Street East, NEW PLYMOUTH
Date of Burial: 31 Oct 1984
Cemetery: TE HENUI
Location in Cemetery: 1957 Extension Row C Plot 38

Maiden name, year and country of marriage from search on New Zealand BDM website in May 2020:
1932/5514. Bride: Dorcas Winsor. Groom: Neville Hayne Bellringer

Full date of marriage of 6 August 1932 from further searching in May 2020 on BDM Search by incrementally changing the date range for the marriage.

Country of birth from search on New Zealand BDM website in May 2020:
1908/7699. Bellringer, Nevyl Hayne. Mother: Eva Beatrice. Father: Eli Harold

Full date of birth of 13 May 1908 from further searching in May 2020 on BDM Search by incrementally changing the date range for the birth.