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In page John Llewellin, 1st Baron Llewellin:

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Llewellin was commissioned into the Royal Garrison Artillery in 1914 and reached the rank of Major during the First World War, winning the Military Cross in 1917.[1] He remained in the Territorial Army after the war and was promoted to Lieutenant-Colonel commanding the Dorset Heavy Brigade in 1932. He was promoted Colonel in 1936 and retired in 1938. He was appointed an Officer of the Order of the British Empire (OBE) in 1926,[2] promoted to a Commander (CBE) in 1939,[3] and then was made a Knight Grand Cross (GBE) in 1953.[4]