Lady Catherine Egmont Perceval Peerage person ID=84966 (1746–1782) Parents John Perceval, 2nd Earl of Egmont Lady Catherine Cecil Children John Wynn Siblings John Perceval, 3rd Earl of Egmont Philip Tufton Perceval Edward Perceval Cecil Parker Perceval Lady Margaret Perceval Lady Mary Perceval Lady Frances Perceval Spencer Perceval Charles Perceval, 2nd Baron Arden Frederick Augustus Perceval Partners Thomas Wynn, 1st Baron Newborough