Richard Butler, 17th Viscount Mountgarret Irish viscount (1936-2004) (1936–2004) Parents Eglantine Marie Elizabeth Christie Piers Henry Augustus Butler, 16th Viscount Mountgarret Children Edmund Henry Richard Butler Henrietta Elizabeth Alexandra Butler Piers James Richard Butler, 18th Viscount Mountgarret Siblings Sarah Elizabeth Ann Butler Partners Gillian Margaret Buckley Jennifer Susan Melville Wills Angela Ruth Porter