Bernard Sanderson Marshall, whose parents lived in 'Lyndale', Mumbles, served as Lieutenant with the Royal Flying Corps. He was killed in action, aged 22, on 7 June 1917, flying over Messines Ridge in Belgium. He is remembered with honour on Arras Memorial, France. He was awarded the Military Cross while serving with 5th South Wales Borderers at Vimy Ridge. In November 1916 he transferred to the R.F.C. On the day of the big mine explosion at Messines Ridge, the last record in his log stated 'Infantry commencing to Advance.' He was shot down during a dogfight over German lines and drowned in a river.