Personal Number: 165015 Rank: Second Lieutenant Name: Robert Jarvis MARTIN Unit: Grenadier Guards London Gazette : 14 January 1941 https://www.thegazette.co.uk/London/issue/35040/supplement/251/data.pdf The undermentioned Cadets, from Sandhurst and 162nd O.C.T.U.s, to be 2nd Lts., except as otherwise stated. 21st Dec. 1940: FOOT GUARDS. Gren. G'ds. Robert Jarvis MARTIN (165015).
From The Grenadier Guards in the war of 1939-1945, by Nigel Nicolson and Patrick Forbes. v.2. Page 533 Page 321 Page 401 Page 406