| Regimental number | 4630 |
| Place of birth | St. Peters, South Australia |
| School | St. Peter's College, South Australia |
| Religion | Church of England |
| Occupation | Student |
| Address | Winchester Street, St Peters, South Australia |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Mother, Mrs J Wendt, Winchester Street, St Peters, South Australia |
| Previous military service | Served as Cadet in Commonwealth Forces. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 10th Battalion, 14th Reinforcement |
| AWM Embarkation Roll number | 23/27/4 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A28 Miltiades on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 10th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Bullecourt, France |
| Age at death | 18.6 |
| Place of burial | Vaulx Australian Field Ambulance Cemetery (Row B, Grave 21), France |
| Panel number, Roll of Honour, Australian War Memorial | 61 |
| Miscellaneous information from cemetery records | Commemorated in North Road Church of England Cemetery, Adelaide, South Australia. Name given on headstone as Kenneth KOEPPEN-WENDT. |
| Family/military connections | Brother: Captain Alan Koeppen WENDT, 3rd Light Horse Regiment, returned to Australia, 16 May 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |