|Born||2 May 1927|
|Died||7 February 2014 (aged 86)|
|Years of service||1946 - 1982|
|Commands held||6th Armoured Brigade
1st Armoured Division
Staff College, Camberley
|Awards||Companion of the Order of the Bath|
Educated at Eton College, Alexander-Sinclair was commissioned into the Rifle Brigade in 1946. In 1967 he was given command of 3rd Bn Royal Green Jackets. He was appointed Commander of 6th Armoured Brigade in 1971, General Officer Commanding 1st Armoured Division in 1975 and Chief of Staff at UK Land Forces in 1978. His last role was as Commandant of the Staff College, Camberley in 1980 before he retired in 1982. He died on 7 February 2014.
In 1958 he married Ann Ruth Daglish; they had two sons and one daughter.
|General Officer Commanding the 1st Armoured Division
|Commandant of the Staff College, Camberley