| Other Names | Jack Gribet |
| Religion | Presbyterian |
| Occupation | Bank clerk |
| Address | Bank of New South Wales, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Brother, Adolph Grebet Steber, Bank of New South Wales, Sydney, New South Wales |
| Previous military service | 18th Infantry |
| Enlistment date | 21 August 1914 |
| Date of enlistment from Nominal Roll | 20 August 1914 |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 54th Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/71/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on 7 October 1916 |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 56th Battalion |
| Fate | Returned to Australia 8 July 1919 |
