Lady Sibell Alma Kathleen Le Poer Trench (born 1918) (b. 1918) Parents William Trench, 5th Earl of Clancarty Mary Gwatkin Ellis Children Venetia Alma Mary Jolly Maureen Pamela Stewart Jolly Siblings Power Edward Ford Le Poer Trench Richard Trench, 6th Earl of Clancarty Brinsley Le Poer Trench, 8th Earl of Clancarty Greville Trench, 7th Earl of Clancarty Roderic Charles Berkeley Le Poer Trench Power Francis William Le Poer Trench Lady Beryl Franziska Kathleen Bianca Le Poer Trench Partners Stewart Croft Jolly