| Regimental number | 3638 |
| Religion | Jewish |
| Occupation | Station hand |
| Address | Evans Street, Waverley, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, B De Groen, Gulgong, New South Wales |
| Enlistment date | 2 September 1915 |
| Date of enlistment from Nominal Roll | 2 October 1915 |
| Rank on enlistment | Private |
| Unit name | 18th Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/35/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A60 Aeneas on 20 December 1915 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 18th Battalion |
| Fate | Returned to Australia 13 February 1917 |
| Miscellaneous details (Nominal Roll) | *Spelt Lyonel Sampson De Groen on NR |
