| Regimental number | 1049 |
| Place of birth | Matilda St, Gilberton, Adelaide, South Australia |
| Religion | Church of England |
| Occupation | Engine cleaner SAR |
| Address | Port Lincoln, South Australia |
| Marital status | Married |
| Age at embarkation | 28 |
| Next of kin | Wife, Mrs Julia Victoria Emily Dora Sellen, same adress |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 43rd Battalion, A Company |
| AWM Embarkation Roll number | 23/60/1 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A19 Afric on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 43rd Battalion |
| Fate | Killed in Action |
| Miscellaneous details (Nominal Roll) | *Given name William Frederick |
| Place of death or wounding | France |
| Date of death | |
| Age at death | 29.6 |
| Age at death from cemetery records | 29 |
| Place of burial | Villers-Bretonneux Military Cemetery (Plot XI, Row E, Grave No. 9), Fouilloy, France |
| Panel number, Roll of Honour, Australian War Memorial | 137 |
| Miscellaneous information from cemetery records | Parents: Walter and Anne SELLEN; husband of Julia V.E.E.D. SELLEN, Port Lincoln, South Australia |
| Family/military connections | Brother in law: Pte J. horpe no. 4227, 27th Bn, killed in action 2 September 1918, MM. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |