| Regimental number | 3231 |
| Place of birth | London, England |
| Religion | Methodist |
| Occupation | Groom |
| Address | Dubbo, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 6" |
| Weight | 145 lbs |
| Next of kin | Father, J Siseman, 26 Hurst Street, Herne Hill, London, England |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Warwick Farm, New South Wales |
| Rank on enlistment | Private |
| Unit name | 19th Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/36/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A29 Suevic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 4th Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 19 |
| Place of burial | Pozieres British Cemetery (Plot III, Row H, Grave No. 19), Ovillers-La-Boisselle, France |
| Panel number, Roll of Honour, Australian War Memorial | 42 |
| Miscellaneous information from cemetery records | Parents: John and Helen SISEMAN, 10 Shakespeare Road, Herne Hill, London, England |
| Other details |
War service: Egypt, Western Front Taken on strength, 4th Bn, Tel el Kebir, 14 February 1916. Embarked Alexandria to join the British Expeditionary Force, 23 March 1916; disembarked Marseilles, France, 30 March 1916. Killed in action, 23 July 1916. Medals: British War Medal, Victory Medal |
| Miscellaneous details | Surname entered incorrectly on Embarkation Roll as SESEMAN. |
| Sources | NAA: B2455, SISEMAN John Charles |