Catherine Power, Baroness la Poer (1701-1769) (1701–1769) Parents Anne Rickards James Power, 3rd Earl of Tyrone Children Lady Jane Beresford Lady Frances Beresford William Beresford, 1st Baron Decies Lady Aramintha Beresford John Beresford George Beresford, 1st Marquess of Waterford Lady Catharine Beresford Lady Anne Beresford Lady Eliza Beresford Partners Marcus Beresford, 1st Earl of Tyrone