Mary Seymour (died 1973) (1882–1973) Parents Sir Horace Seymour Elizabeth Romilly Children Elizabeth Bigham Roger Bigham Edward Bigham, 3rd Viscount Mersey Ralph Bigham Siblings Cynthia Seymour Ralph Seymour Margaret Seymour Horatia Seymour Leopold Seymour Partners Clive Bigham, 2nd Viscount Mersey