| Regimental number | 2063 |
| Place of birth | Brodies Plains near Inverell, New South Wales |
| School | Kellys Plains School |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Kellys Plain, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Frederick Victor Holtsbaum, Kellys Plain via Armidale, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 33rd Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/50/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 33rd Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Poperinghe, Belgium |
| Age at death | 22.6 |
| Place of burial | Lijssenthoek Military Cemetery (Plot XX, Row F, Grave No. 3A), Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 122 |
| Miscellaneous information from cemetery records | Parents: Frederick and annie HOLTSBAUM, 82 Belmont Road, Mosman, New South Wales. Native of Brodie's Plains, New South Wales |
| Family/military connections | Brother: W.A. Holtsbaum, No. 6813, 17th Battalion. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |