Lady Anne Le Poer Trench (1839-1924) (1839–1924) Parents William Trench, 3rd Earl of Clancarty Lady Sarah Butler Children William Cosby Trench Charlotte Anne Trench Sarah May Trench Frederick Trench, 3rd Baron Ashtown Sydney Trench Siblings Power Henry Le Poer Trench Lady Sarah Le Poer Trench Frederick Le Poer Trench Richard Trench, 4th Earl of Clancarty William Le Poer Trench Partners Frederic Trench