| Regimental number | 5319 |
| Place of birth | Macedon Victoria |
| Religion | Presbyterian |
| Occupation | Gardener |
| Address | 1 Barkly avenue, Malvern |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Mother, Mrs Mary Grumont-Norton, Upper Macedon, Victoria |
| Enlistment date | 7 June 1915 |
| Date of enlistment from Nominal Roll | 3 July 1915 |
| Rank on enlistment | Sapper |
| Unit name | 2nd Divisional Signal Company, 2nd Reinforcements, HQ and No. 1 Section |
| AWM Embarkation Roll number | 22/12/2 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 5th Divisional Signal Company |
| Fate | Returned to Australia 31 January 1918 |
| Family/military connections | Brothers: [944] 2nd Lt Arthur Laughlan GRUMONT, 49th Bn, returned to Australia, 12 December 1918; Sergeant Charles Albert GRUMONT, 59th Bn, killed in action, 19 July 1916; 5320 Sapper David Colin GRUMONT, 5th Divisional Signal Company, died of wounds, 16 June 1918. |