Name, date of birth, date of first marriage to Gerald, from John Stuart (Stu) Milne in his family tree received in February 2009. Stu’s grandmother was Orpha Louise WILLIAMS whose daughter, Olive Nesta Eleanor SHUTE married James Alexander OLIVER b.1866.

Year and country of death, date of birth confirmed, from death search on New Zealand BDM website in June 2021:
2017/20770. Christophersen, Beverly Margaret. Date of birth: 21 March 1930

Full date of death of 29 July 2017 from further searching in June 2021 on BDM Search by incrementally changing the date range for the death.