William George Gresham Leveson-Gower was appointed as a clerk in the House of Lords in 1908. He was killed by a shell on 9th October 1918, after only a short period of active service in France with the Grenadier Guards. His name is on the House of Lords War Memorial panels in the Royal Gallery and on Parliament's War Memorial in Westminster Hall.
Leveson-Gower was a friend of Robert Neale Menteith Bailey, a clerk in the House of Commons, who was also killed whilst serving in the First World War.
Portrait of W.G.G.Leveson-Gower
Parliamentary Archives, LEG/2/2/3