William Allen Vernon William Allen Vernon (1860-1939) of W. Vernon and Sons 1860 Born the son of William Vernon (1860–1939) Parents Sir William Vernon, 1st Bt. Jane Margaret Cooper Children Helen Dorothy Winifred Vernon Herbert Wallace Vernon Nanny Uarda Elsie Vernon Reginald Thornycroft Vernon William Hamo Vernon Sir Wilfred Douglas Vernon Daisy Hilda Vernon Siblings Elizabeth Cooper Vernon unknown son Vernon Thomas Thornycroft Vernon Henry Richard Cooper Vernon John Herbert Vernon Partners Elizabeth Marson