Redigerer Duncan Sandys (avsnitt)

=== Bakgrunn===
Sandys var sønn av [[George Sandys (politiker)|George Sandys]], et konservativt medlem av [[House of Commons]] (1910-18). Morenvar  Mildred Helen Cameron<ref name="Duncan_OxfordDNB">{{cite book | last = Ludlow | first = N. Piers | chapter= Sandys, (Edwin) Duncan, Baron Duncan-Sandys (1908–1987) | chapter-url = https://doi.org/10.1093/ref:odnb/39858 | title = Oxford Dictionary of National Biography | publisher = Oxford University Press | location = Oxford New York | year = 2004 | isbn = 9780198614128}} {{Subscription or libraries}}</ref>. Sandys' parents foreldre ble skilt i januar 1921 da han var tolv år gammel.<ref name="Argus_Melbourne">{{cite news |title=Politician divorced |url=https://trove.nla.gov.au/newspaper/article/1732565 | work = [[The Argus (Melbourne)|The Argus]] | location = Melbourne, Victoria | date = 14. januar 1921 | quote = ''LONDON, Jan. 13. Mrs. Mildred Helen Sandys, who is a daughter of the late Mr. Duncan Cameron, of Springfield, Canterbury, New Zealand, has obtained a decree divorce against her husband, Mr. George John Sandys, who was member of the House of Commons for the Wells division of Somerset from 1910 to 1918 on the ground of the respondent's misconduct. Mr. Sandys served with the Guards in the South African and European wars. He was married in 1905, and has one son.'' | access-date = 10. august 2018}}</ref><ref>{{cite news | title = Former M.P. for Wells Divorced | work = Gloucester Citizen | location = Gloucestershire, England | date = 13. januar 1921}}</ref> Moren giftet seg på nytt i oktober samme år, med Frederick Hamilton Lister, og ble Mildred Helen Lister.<ref>{{cite web | title = Frederick Hamilton Lister | url = http://www.thepeerage.com/p5652.htm#i56515 | website = thepeerage.com | publisher = The Peerage | access-date = 11. august 2018}}</ref><ref>{{cite web | title = Lt. Col. Frederick Hamilton (I6209) | url = http://kindred.stanford.edu/#/kin/half/half/none/I6209// | website = stanford.edu | publisher = Kindred Britain by Stanford University | access-date = 11. august 2018}}</ref> 

Han ble sendt til kostskoleutdannelse på [[Eton College]] og studerte deretter ved [[Magdalen College]] ved [[University of Oxford]].