Percival Stephenson (1900-1973) (1900–1973) Parents Frances Blake Sir Henry Stephenson, 1st Baronet Children Jennifer Barbara Stephenson Siblings William Stephenson Cynthia Stephenson Helena Stephenson Evelyn Stephenson Sir Henry Stephenson, 2nd Bt. Emma Letitia Gertrude Stephenson Charles Stephenson Partners Pamela Benton Jones