Plas Newydd, Llangollen Plas Newydd, Llangollen Plas Newydd (, ; "new hall" or "new mansion") is a historic house in the town of Llangollen, Denbighshire, Wales, and was the home of the Ladies of Llangollen, Lady Eleanor Butler and Sarah Ponsonby, for nearly 50 years. Today, it is run as a museum by Denbighshire County Council. Plas Newydd is notable as the home where two Irish ladies, Lady Eleanor Butler and Miss Sarah Ponsonby (the Ladies of Llangollen) eloped and set up house together in the late 18th century, scandalising contemporary British society. Plas Newydd was originally a five-roomed stone cottage, but over
George Ponsonby Mary Butler, the daughter of Brinsley Butler, 2nd Earl of Lanesborough and his wife Lady Jane Rochfort. He left an only daughter, Elizabeth, when he died in London on 8 July 1817, who went on to marry Francis Aldborough Prittie, MP, by whom she had six children. George Ponsonby George Ponsonby (5 March 1755 – 8 July 1817), was a British lawyer and Whig politician. He served as Lord Chancellor of Ireland from 1806 to 1807 in the Ministry of All the Talents. Ponsonby was the second surviving son of the Honourable John Ponsonby, speaker of the Irish House of