Name from birth search of son Ronald on New Zealand BDM website in October 2018:
1915/25157. Heise, Ronald Stanley. Mother: Rebecca. Father: Fritz Carl

Maiden name, year and country of marriage, from search on New Zealand BDM website in October 2018:
1913/1019. Bride: Rebecca Dinning. Groom: Fritz Karl Julius Heise

Full date of marriage of 11 February 1913 from further searching in October 2018 on BDM Search by incrementally changing the date range for the marriage.