Editing Ian Jacob (section)

==Early life==
Jacob was born in 1899 in [[Quetta]], Pakistan (then a part of the [[British Empire]]). His father was [[Field marshal (United Kingdom)|Field Marshal]] [[Claud Jacob|Sir Claud Jacob]], in whose footsteps Ian followed by becoming a professional soldier with the [[Royal Engineers]] in 1918, after being educated at both [[Wellington College, Berkshire]] and the [[Royal Military Academy, Woolwich]], where he was [[Officer (armed forces)|commissioned]] into the [[Royal Engineers]].{{sfn|Smart|2005|p=172}} He subsequently studied the mechanical sciences (engineering) [[tripos]] at [[King's College, Cambridge]], graduating with a second-class degree in 1925.<ref>Miall, Leonard, [http://www.oxforddnb.com/view/article/52132 "Jacob, Sir (Edward) Ian Claud (1899–1993)"], ''Oxford Dictionary of National Biography'', Oxford University Press, 2004; online edition, September 2004. Retrieved 3 March 2024. {{subscription required}}</ref>

Jacob served as a commander of a company of Gentlemen Cadets at the Royal Military Academy, Woolwich until January 1931<ref>{{London Gazette|issue=33687|page=833|date=6 February 1931}}</ref> and later at the [[Staff College, Camberley]] from 1931 to 1932, (where he passed the entrance examination with record marks), his fellow students there including [[Brian Horrocks]], [[Sidney Kirkman]], [[Frank Simpson (British Army officer)|Frank Simpson]], [[Cameron Nicholson]], [[Arthur Dowler]], [[Nevil Brownjohn]], and [[Thomas Wynford Rees|Thomas Rees]]. He also studied at [[King's College, Cambridge]].

In 1924, Jacob married Cecil Treherne, the daughter of another senior army officer, Surgeon Major-General Sir Francis Treherne. The couple had two sons, William and John.<ref>{{cite web|url=https://myjacobfamily.com/favershamjacobs/sirianjacob.htm|title=Sir Ian Jacob}}</ref>