Celia Bennett

Celia Bennett, Countess of Henrietta (née Crawley; born 1899) is the second daughter of the late Cornelius Crawley and his widow Augusta Crawley (née Dawson) and the sister of Katherina Treadaway, Countess of Stillwater. She is the wife of Demetrius Bennett, the Earl of Henrietta and owner of Moreland Abbey and the mother of twins Charlie and Winifred Bennett. She is also the second cousin of Caroline Talbot and Marigold Pelham as well as the next heir of Downton Abbey George Crawley.