Lady Sarah Le Poer Trench daughter of William Trench, 3rd Earl of Clancarty, and Lady Sarah Butler Parents William Trench, 3rd Earl of Clancarty Lady Sarah Butler Children Siblings Power Henry Le Poer Trench Frederick Le Poer Trench Lady Anne Le Poer Trench Richard Trench, 4th Earl of Clancarty William Le Poer Trench Partners John Melville Hatchell