| Regimental number | 6880A |
| Place of birth | London, England |
| Religion | CofC |
| Occupation | Carpenter |
| Address | Albert Park, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, H Relf, 182 Danks Street, Albert Park, Victoria |
| Previous military service | 9th Field Company (AE) |
| Enlistment date | 3 August 1917 |
| Place of enlistment | Port Melbourne, Victoria |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, 20th Reinforcement |
| AWM Embarkation Roll number | 23/38/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on 21 November 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 24th Battalion |
| Fate | Returned to Australia 23 September 1919 |
| Miscellaneous details | True name: Henry Reginald Percy RELF; see 6952A Henry Reginald RELF for more details |