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.
Joan, Lady of Wales the woman depicted on the coffin lid, which is not thought to belong to the coffin on which it now rests. Experts have suggested that the costume and style of carving belong to a much later decade than the 1230s when Joan died, although the coronet suggests a member of the royal family. Eleanor de Montfort is considered the most likely alternative. 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,