Brian Gresley Elton Sunderland (1883-1971) (1883–1971) Parents Florence Margaret Elton James Sunderland Children Joe Leslie Mumford Sunderland unnamed Sunderland Siblings Alfred Joseph Elton Sunderland Marmaduke Langdale Elton Sunderland Ada Florence Sunderland Nora Margaret Sunderland Olive Maud Sunderland Lister Goodenough Elton Sunderland Partners Violet Mumford