| Regimental number | 6841 |
| Place of birth | Penola, South Australia |
| Religion | Presbyterian |
| Occupation | Cashier |
| Address | Penola, South Australia |
| Marital status | Single |
| Age at embarkation | 18 |
| Height | 5' 6.5" |
| Weight | 142 lbs |
| Next of kin | Mother, Mrs W Balnaves, Penola, South Australia |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Driver |
| Unit name | 8th Infantry Brigade, 8th Field Ambulance Sections B and C |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 15th Field Ambulance |
| Fate | Returned to Australia |
| Family/military connections | Cousins (?): 3763 Pte Peter Dawson BALNAVES, 6th Bn, returned to Australia, 14 January 1919; 1263 Pte Robert Edwin BALNAVES, 11th Light Horse Regiment, returned to Australia, 20 July 1919; 6386 Pte David Pierce BALNAVES, 6th Bn, returned to Australia, 20 December 1917; 1262 Corporal John Murray BALNAVES, 11th Light Horse Regiment, returned to Australia, 22 December 1918. |
| Other details |
War service: Egypt, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, BALNAVES Eric William |