Commemorated at Memorial Name Ballina Anzac Gallipoli Garden Given name John Joseph Jacob Family name Lang Gender Male Service number 941 Conflicts First World War, 1914–18 Campaign Somme 1916 - 1917 Fate Killed in action (KIA) Fate date 15 April 1917 Additional information Last held rank Corporal Unit at embarkation 17th Battalion Service Australian Army - First Australian Imperial Force (1st AIF) Do you know more about this war Veteran? Click here to learn how you can contribute