Frederick Le Poer Trench (1835-1913) (1835–1913) Parents Lady Sarah Butler William Trench, 3rd Earl of Clancarty Children Dorothy Le Poer Trench Frederick Le Poer Trench Siblings Power Henry Le Poer Trench William Le Poer Trench Richard Trench, 4th Earl of Clancarty Lady Anne Le Poer Trench Lady Sarah Le Poer Trench Partners Catherine Simpson Harriette Mary Trench