| Regimental number | 1591 |
| Religion | Baptist |
| Occupation | Clerk |
| Address | Blumberg, South Australia |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Mother, Mrs. Mary Jane Pflaum, Blumberg, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 9th Light Horse Regiment, 12th Reinforcement |
| AWM Embarkation Roll number | 10/14/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A2 Geelong on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Captain |
| Unit from Nominal Roll | 3rd Light Horse Regiment |
| Promotions |
2nd Lieutenant Unit: Australian Flying Corps Promotion date: Lieutenant Unit: No 4 Squadron, Australian Flying Corps Promotion date: |
| Fate | Returned to Australia |
| Family/military connections | Brothers: [327] 2nd Lt Theodor Milton PFLAUM, 25th Machine Gun Company, died of wounds, 24 September 1917; 161 Pte Raymond Holstein PFLAUM, 32nd Bn, died whilst a Prisoner of War, 24 November 1916. |