Name of “Agnes Robertson” and other information with references, found in April 2019 from “Genealogy of Luc Boumans and Lesley-Ann Hendriks-Lydiate” and translated from Dutch:
https://calus.nl/stamboom/family.php?id=F1028&main_person=I4249

Year and country of death, from death search on New Zealand BDM website in April 2019:
1948/32528. Montecino, Agnes, died age 85Y. [Therefore born circa 1863]

Full date of death of 27 September 1948 from further searching in April 2019 on BDM Search by incrementally changing the date range for the death.

Date and place of marriage from ‘table’ inside an email from Paul Young dated 29 July 2020. Paul is the great-grandson of Albino Montizino (1848-1923).