Lady Joan Butler Peerage person ID=73463 Parents Margaret FitzGerald, Countess of Ormond Piers Butler, 8th Earl of Ormond Children Ellen Butler Edmund Butler, 1st/11th Baron Dunboyne Pierce Butler Joan Butler Thomas Butler Siblings Richard Butler, 1st Viscount Mountgarret Lady Ellen Butler James Butler, 9th Earl of Ormond Thomas Butler Lady Ellice Butler Edmund Butler Lady Eleanor Butler Lady Margaret Butler Lady Katherine Butler Edmund Butler Partners James Butler, 10th Baron Dunboyne