| Religion | Church of England |
| Occupation | University student |
| Address | Canley Vale, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, William C East, 2 St James Road, Malvern, Melbourne, Victoria |
| Enlistment date | 6 September 1915 |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 34th Battalion, B Company |
| AWM Embarkation Roll number | 23/51/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A20 Hororata on 2 May 1916 |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 34th Battalion |
| Fate | Returned to Australia 22 February 1917 |
| Family/military connections | Brothers: 753 Pte George Frederick EAST, 34th Bn, returned to Australia, 19 February 1919; 19881 Sapper William Glenister EAST, 2nd field Company Engineers, returned to Australia, 1 August 1919. |
| Miscellaneous details | Name given as Frederick Llewellin on Embarkation Roll. |