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
Eleanor Calvert wife Elizabeth Calvert Butler. She was known to her family as "Nelly." As a teenager, Eleanor was an exceptionally pretty girl and well-mannered. Eleanor married John Parke Custis, son of the late Daniel Parke Custis and Martha Dandridge Custis Washington (and stepson of George Washington), on February 3, 1774 at Mount Airy. When "Jacky", as he was known by his family, announced his engagement to Eleanor to his parents, they were greatly surprised due to the couple's youth. After their marriage, the couple settled at the White House plantation, a Custis estate on the Pamunkey River in New Kent County,