Ladies of Llangollen Newydd is now a museum run by Denbighshire County Council. Butler's Hill, near Plas Newydd, is named in honour of Eleanor Butler. The Ponsonby Arms public house, a Grade II listed building on Mill Street in Llangollen, claims to take its name from Sarah Ponsonby. Ladies of Llangollen The "Ladies of Llangollen", Eleanor Butler and Sarah Ponsonby, were two upper-class Irish women whose relationship during the late 18th and early 19th century scandalized and fascinated their contemporaries. Eleanor Charlotte Butler (11 May 1739 – 2 June 1829) was a member of the Butlers, the Earls (and later Dukes) of Ormond.
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,