Editing Ian Sinclair (section)

==Early life==
Sinclair was born in [[Sydney]] on 10 June 1929. He was the son of Gertrude Hazel (née Smith) and George McCahon Sinclair.<ref name=parlnsw>{{Cite NSW Parliament |id=1887 |name=The Hon. Ian McCahon SINCLAIR, B.A., LL.B (1929– ) |former=Yes |access-date=10 August 2019}}</ref> His father was a chartered accountant who also served as deputy mayor of [[Ku-ring-gai Council]], chairman of [[Knox Grammar School]], and an elder of the [[Presbyterian Church of Australia|Presbyterian Church]].<ref>{{cite news|url=https://trove.nla.gov.au/newspaper/article/125611876|title=George Sinclair 'had appeared reputable'|newspaper=[[The Canberra Times]]|date=23 July 1980|access-date=10 August 2019|archive-url=https://web.archive.org/web/20190810004116/https://trove.nla.gov.au/newspaper/article/125611876|archive-date=10 August 2019|url-status=live}}</ref>

Sinclair attended Knox Grammar before going on to the [[University of Sydney]], where he graduated [[Bachelor of Arts]] in 1949 and [[Bachelor of Laws]] in 1952. He served in the [[No. 22 Squadron RAAF]] from 1950 to 1952, as part of the [[Citizen Air Force]].  Sinclair served his articles of clerkship with Norton Smith & Co., but did not pursue a legal career. He instead took up a grazing property near [[Bendemeer]] and set up the Sinclair Pastoral Company, of which he became managing director. He was a director of the Farmers and Graziers' Co-operative Limited from 1962 to 1965.<ref name=parlnsw/>

Sinclair married Margaret Anne Tarrant in 1956, with whom he had one son and two daughters. She died of brain cancer in December 1967.<ref>{{cite news|url=https://www.northerndailyleader.com.au/story/5300724/faces-of-tamworth-barrister-grazier-politician-and-philanthropist-ian-sinclair/|title=Faces of Tamworth: barrister, grazier, politician and philanthropist Ian Sinclair|newspaper=[[Northern Daily Leader]]|date=29 March 2018|access-date=10 August 2019|archive-url=https://web.archive.org/web/20190810001335/https://www.northerndailyleader.com.au/story/5300724/faces-of-tamworth-barrister-grazier-politician-and-philanthropist-ian-sinclair/|archive-date=10 August 2019|url-status=live}}</ref><ref>{{cite news|url=https://trove.nla.gov.au/newspaper/article/107038439|title=Minister's wife dies|newspaper=[[The Canberra Times]]|date=23 December 1967|access-date=10 August 2019|archive-url=https://web.archive.org/web/20190810001334/https://trove.nla.gov.au/newspaper/article/107038439|archive-date=10 August 2019|url-status=live}}</ref> He remarried on 14 February 1970 to [[Rosemary Fenton]], who had been [[Miss Australia]] in 1960; they had one son together.<ref name=parlnsw/> His daughter Fiona married Liberal politician [[Peter King (Australian politician)|Peter King]].<ref>{{cite news|url=https://www.smh.com.au/national/what-goes-around-comes-around-for-king-20040904-gdjocm.html|title=What goes around comes around for King|date=4 September 2004|access-date=10 August 2019|newspaper=[[The Sydney Morning Herald]]|archive-url=https://web.archive.org/web/20190810010132/https://www.smh.com.au/national/what-goes-around-comes-around-for-king-20040904-gdjocm.html|archive-date=10 August 2019|url-status=live}}</ref>