Elizabeth Bigham (1905-1985) (1905–1985) Parents Mary Seymour Clive Bigham, 2nd Viscount Mersey Children Rose Ponsonby Catherine Ponsonby Laura Ponsonby Thomas Ponsonby, 3rd Baron Ponsonby of Shulbrede William Ponsonby Siblings Edward Bigham, 3rd Viscount Mersey Ralph Bigham Roger Bigham Partners Matthew Ponsonby, 2nd Baron Ponsonby of Shulbrede