Helen Penelope Plowden (born 1909) (b. 1909) Parents Roger Herbert Plowden Helen Haseltine Children Nicholas Francis Vaux Helen Camilla Mary Vaux Caroline Margaret Vaux Siblings Humphrey Roger Plowden Roger Stanley Plowden Francis Herbert Benedict Plowden Edwin Plowden, Baron Plowden of Plowden Piers Standish Plowden Partners Harry Vaux