|Date of birth|
|Place of birth||Brisbane Qld|
|Age at embarkation||42|
|Next of kin||Sister, Miss Amanda Horstmann, Ascog Terrace, Toowong, Queensland|
|Previous military service||15 years active service in South Africa; member of the Toowong Rifle Club.|
|Rank on enlistment||Private|
|Unit name||Australian Naval & Military Expeditionary Force, Reinforcements from March, 1915, to May, 1919|
|Embarkation details||Unit embarked from Brisbane, Queensland, on board SS Makambo on
|Rank from Nominal Roll||Private|
|Unit from Nominal Roll||Australian Naval & Military Expeditionary Force|
|Fate||Returned to Australia
|Family/military connections||Brother: 5030 Gunner Herbert Vere HORSTMANN, 3rd Field Artillery Brigade, killed in action, 31 August 1918.|
War service: embarked for Rabaul from Brisbane, 16 September 1917. Arrived Rabaul, 4 October 1917, and posted to A Company.
Found guilty, 1 September 1918, of being absent from church parade. Punishment: to be on all parades for the next 7 days; to execute all fatigues; to report to the CSM on defaulters' call; to be excluded from beer parades.
Found guilty, 28 June 1919, of striking his superior officer and of using insubordinate language: awarded 42 days' detention.
Commenced return to Australia on board 'Melusia', 5 August 1919; disembarked Brisbane, 19 August 1919; discharged, 23 November 1919.
Medal: British War Medal