| Regimental number | 1231 |
| Religion | Church of England |
| Occupation | Grocer |
| Address | 5 Pigdon Street, North Carlton, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, James Theodore Langgaard, 5 Pigdon Street, North Carlton, Victoria |
| Enlistment date | 1 March 1916 |
| Rank on enlistment | Private |
| Unit name | 38th Battalion, D Company |
| AWM Embarkation Roll number | 23/55/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A54 Runic on 20 June 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 38th Battalion |
| Fate | Returned to Australia 23 September 1918 |
