Question: Donald Swain Lewis, was a Lieutenant Colonel in the British Army and was the second highest-ranked officer in the Royal Flying Corps/Royal Air Force to be killed in action in the First World War, his father was Ernest Lewis, one of the founding directors of the Army & Navy Stores, was a department store group in which country?
Sentence (from "James Robb (RAF officer)"): Air Chief Marshal Sir James Milne Robb, {'1': ", '2': ", '3': ", '4': "} (26 January 1895 – 18 December 1968) was a senior Royal Air Force commander.
Relevant evidence: No