| Regimental number | 791 |
| Place of birth | Millicent, South Australia |
| Other Names | Altschwager, Barnard William |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | Blackwood, Millicent, South Australia |
| Marital status | Single |
| Age at embarkation | 25 |
| Height | 5' 8.5" |
| Weight | 166 lbs |
| Next of kin | Mother, Mrs Elizabeth Altshwager, Blackwood, Millicent, South Australia |
| Enlistment date | 12 October 1915 |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Corporal |
| Unit name | Australian Remount Unit 1, Squadron 3 |
| AWM Embarkation Roll number | 28/2/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board Transport A67 Orsova on 12 November 1915 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 10th Battalion |
| Fate | Returned to Australia 8 August 1919 |