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
Joan, Lady of Wales Joan, Lady of Wales Joan, Lady of Wales and Lady of Snowdon, also known by her Welsh name of Siwan, (c. 1191 – 2 February 1237) was the wife of Llywelyn the Great, Prince of Wales and Gwynedd, effective ruler of most of Wales. Joan was an illegitimate daughter of King John of England. She should not be confused with her half-sister, Joan, Queen consort of Scotland. Little is known about her early life. Her mother's name is known only from Joan's obituary in the "Tewkesbury Annals," where she is called "Regina Clementina" (Queen Clemence); there is no evidence that