I am confused. Wikipedia says he had a daughter called Fiona b 1937
The peerage dot com credits him with a daughter called Daphne b ca
1934
http://thepeerage.com/p27859.htm#i278587
complete with picture
Paul Theroff merely says that Pamela Thetis Beckett (d 1951) had
issue
http://www.angelfire.com/realm/gotha/Part_h11.htm
Did Menzies, ex spy chief, and thrice married, have one daughter or
two daughters? Did the elder daughter Daphne die young?
I can't find any attribution for a daughter named Fiona, either!
Shinjinee