Name, date of birth, year of death circa 1939, from Muriel Leo’s (nee Oliver, 1917-1998) Family Tree.

Result from birth search on New Zealand BDM website in October 2018:
1889/8114. Oliver, Herbert Langman. Mother: Elizabeth Ann. Father: Francis

Full date of birth of 12 August 1889 confirmed from further searching in October 2018 on BDM Search by incrementally changing the date range for the birth.

Year and country of death, from search on New Zealand BDM website in October 2018:
1938/24502. Oliver, Herbert Langman, died age 48

Full date of death of 19 April 1938 from further searching in October 2018 on BDM Search by incrementally changing the date range for the death.

Place of birth and death from Joshua Keijsers’ Family Tree as at May 2020.
Joshua is the x2 great grandson of Walter and Edith Minnie (nee Oliver) Chatterton through their daughter Beryl Minnie May Chatterton.