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.
Wales in the Middle Ages later became the English, were unable to make inroads into Wales except possibly along the Severn Valley as far as Llanidloes. However they gradually conquered eastern and southern Britain. At the Battle of Chester in 616, the forces of Powys and other British kingdoms were defeated by the Northumbrians under Æthelfrith, with king Selyf ap Cynan among the dead. It has been suggested that this battle finally severed the land connection between Wales and the kingdoms of the Hen Ogledd ("Old North"), the Brittonic-speaking regions of what is now southern Scotland and northern England, including Rheged, Strathclyde, Elmet and Gododdin,