Commemorated at Memorial Name St Andrew's First World War Honor Roll and Second World War Memorial Window Grenfell Grenfell Great War Memorial Given name Robert Grieve Family name Armstrong Gender Male Service number 479 Conflicts First World War, 1914–18 Fate Returned to Australia (RTA) Fate date 31 August 1916 Additional information Place of birth Woorndoo, Victoria Religion Presbyterian Occupation Farmer Address given on enlistment documents Bulgandramine Narromine NSW 2821 Marital status Single Age at embarkation (years) 26 Next of kin Father, James Elliot Armstrong Enlistment date Tue, 16 March 1915 Last held rank Private Unit at embarkation 20th Battalion Service Australian Army - First Australian Imperial Force (1st AIF) Veteran Notes/Bio Enlisted as Robert Elliot Armstrong at Liverpool, NSW on 16 March 1915 Discharged on 23 December 1916 National Archives of Australia - R E Armstrong The A.I.F. Project - Robert Elliott Armstrong Virtual War Memorial Australia - Robert Elliott Armstrong Do you know more about this war Veteran? Click here to learn how you can contribute