He married Elizabeth Mary Fowler, daughter of the MP William Fowler, they had two sons (Geoffrey William Barclay MC (4 December 1891 – 28 July 1916 killed in action WW1)[5] and the aforementioned Maurice Edward Barclay CBE (1886-1962) and a daughter. The inscription chosen by the next-of-kin for Geoffrey's headstone in Belgium was: "UNTIL THE DAY BREAK AND THE SHADOWS FLEE AWAY".[5] Edward Barclay's first wife died in 1927. In the same year he remarried Elizabeth Mary Fordham, widow of Harry Fordham, and daughter of the late Marlborough Pryor, of Weston Park. His second wife, the elder sister of his daughter-in-law Margaret, the wife of his son Maurice, died in 1929. Barclay himself died at Brent Pelham Hall on 4 March 1948.[6]
^ ab‘BARCLAY, Edward Exton’, Who Was Who, A & C Black, an imprint of Bloomsbury Publishing plc, 1920–2007; online edn, Oxford University Press, Dec 2007 accessed 20 Dec 2013