| Regimental number | 2395 |
| Place of birth | Braidwood New South Wales |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Mongarlowe, Braidwood, New South Wales |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Father, E Seidel, Mongarlowe, Braidwood, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 35th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/52/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A30 Borda on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 35th Battalion |
| Fate | Killed in Action |
| Place of burial | Strand Military Cemetery (Plot II, Row C, Grave No. 10), Ploegsteert, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 126 |
| Family/military connections | Brothers: 142 Pte Albert SEIDEL, 3rd Bn, returned to Australia, 13 February 1917; 1276 Pte Alfred George SEIDEL, 19th Bn, killed in action, 20 September 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |