Beverley Rose Wheeler
Birth
28 Jan 1931
New Zealand
Death
25 Jan 2020 (aged 88)
Saint Heliers, Auckland Council, Auckland, New Zealand
Burial
Papatoetoe Cemetery
Papatoetoe, Auckland Council, Auckland, New Zealand
https://www.findagrave.com/memorial/218974823/beverley_rose-wheelerFirst wife of Owen Tremayne Boscawen, of the Viscounts Falmouth.
Her husband's death, and also his brother's, had already been noted by the 2011 Debrett's, but in case full dates are unknown they are:
Owen Tremayne Boscawen
Birth
2 Mar 1925
Devonport, Auckland Council, Auckland, New Zealand
Death
15 Nov 2007 (aged 82)
Auckland, New Zealand
Burial
Papatoetoe Cemetery
Papatoetoe, Auckland Council, Auckland, New Zealand
John Roger Boscawen VVeteran
Birth
24 Sep 1922
New Zealand
Death
13 May 2007 (aged 84)
Middlemore, Auckland Council, Auckland, New Zealand
Burial
Manukau Memorial Gardens
Manukau, Auckland Council, Auckland, New Zealand
Plot
RSA Row T Plot 27
and the daughter of Owen and Beverley
Leanne Kay Boscawen
Birth
1960
New Zealand
Death
20 Oct 1980 (aged 19–20)
New Zealand
Burial
Papatoetoe Cemetery
Papatoetoe, Auckland Council, Auckland, New Zealand
Findagrave also has full dates for Owen's parents:
Spencer Boscawen (2 Dec 1887-6 Jan 1957); m.1919 Sydney Iris Kelly (1 Dec 1892-16 Mar 1982)