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
Lady Sarah Lennox Prince of Wales (the future King George III), whom she had met as a child. When she was presented at court again at the age of fifteen, George III was taken with her. Lady Sarah's family encouraged a relationship between her and George III. Lady Sarah had also developed feelings for Lord Newbattle, grandson of William Kerr, 3rd Marquess of Lothian. Although her family were able to convince her to break with Newbattle, the royal match was scotched by the King's advisors, particularly John Stuart, 3rd Earl of Bute. Lady Sarah was asked by King George III to be one