| Date of birth: | 16 June 1920 |
| Date of death: | 19 December 1941 |
| Place of birth: | Shannon, New Zealand |
| Awards: | 1939-45 Star, Africa Star, Defence Medal, War Medal, NZ War Service Medal. |
| Occupation: | Clerk |
| Last known residence: | Aurora Tce, Wellington |
| Cause of death: | Drowning |
| Place of death: | At Sea |
| Spouses name: | Unmarried |
| Fathers name: | Charles Magness Cronquest. |
| Mothers name: | Isabella Berenice (Necie) |
| Siblings: | Helene Jewell, , , , and |
| Theatres of war: | Served on 'Philomel II' 4 Sep 1939-31 Oct 1939, 'Leander' 1 Nov 1939-7 Nov 1939 + 8 Nov 1939-26 July |
| Surname: | CRONQUEST |
| War memorial: | Shannon |
| Christian names: | Robert Magnus |
| School: | Shannon; Nelson College |
| Wars: | WW 11 |
| Service number: | W/3699 |
| Final rank: | Able Seaman |
| Regiment or service: | HMS Neptune RNZ Naval Volunteer Reserve |
| User reference: | 7.35 |
