Thomas Butler, Viscount Thurles Irish viscount (1596-1619) (1596–1619) Parents Helen Butler Walter Butler, 11th Earl of Ormond Children Lady Mary Butler Ellen Butler Elizabeth Butler James Butler, 1st Duke of Ormonde Richard Butler of Kilcash Eleanor Butler John Butler Siblings Lady Elizabeth Butler Lady Ellen Butler Lady Mary Butler Lady Katherine Butler Lady Eleanor Butler Lady Margaret Butler Lady Joane Butler Lady Ellis Butler Lady Helen Butler Partners Elizabeth, Lady Thurles