Born the son of Major-General G E L Forestier-Walker, Forestier-Walker was commissioned in 1884 and serves as Deputy Assistant Adjutant General during the Second Boer War.
Born the son of Major-General George Edmund Lushington Walker, Forestier-Walker was educated at Rugby School and the Royal Military Acedemy, Woolwich. He was commissioned in 1884 and served as Deputy Assistant Adjutant General during the Second Boer War.