Personal Number: 176764 Rank: Captain Name: John Henry Lund SINCLAIR Unit: Scots Guards London Gazette : 28 March 1941 https://www.thegazette.co.uk/London/issue/35118/supplement/1794/data.pdf The undermentioned Cadets, from 161st & 163rd O.C.T.U's, to be 2nd Lts., except as otherwise stated. 8th Mar.1941:— FOOT GUARDS S.G'ds. John Henry Lund SINCLAIR (176764).
https://www.cwgc.org/find-records/find-war-dead/casualty-details/2373989/john-henry-lund-sinclair/ CAPTAIN JOHN HENRY LUND SINCLAIR Service Number: 176764 Regiment & Unit: 1st Bn. Scots Guards Date of Death: 08 February 1944 Age 23 years old Buried or commemorated at BEACH HEAD WAR CEMETERY, ANZIO Grave Reference: XX. D. 12. Location: Italy Additional Info Son of Colonel Thomas Charles Sinclair, C.B.E., and Iris Lucy Sinclair, of Winchester. His brother Albert Michael also died on service. Personal Inscription WHITHER I GO YE KNOW AND THE WAY YE KNOW JOHN XIV.4
See also: Capt John Henry Lund Sinclair (unknown-1944) -... His brothers: 75265 Lieutenant Albert Michael SINCLAIR, DSO, MiD*, King's Royal Rifle Corps: 25/09/1944 7795 Lieutenant-Colonel Thomas Christopher SINCLAIR, MC*, OBE, MiD, Rifle Brigade