Llangollen flow. The bridge was also widened in 1873 and again in 1968, using masonry which blended in with the older structure. It is a Grade I listed structure and a Scheduled Ancient Monument. On the outskirts of the town is Plas Newydd ("New Mansion" or "New Place"), from 1780 the home of the Ladies of Llangollen, the Honourable Sarah Ponsonby, Lady Eleanor Butler and their maid Mary Caryll. The Pillar of Eliseg is another old monument. There is an electoral ward of the same name. This ward includes Llantysilio community and has a total population taken at the 2011 census
Edward Ponsonby, 2nd Baron Sysonby film "Mrs Brown" – who was Private Secretary to Queen Victoria. His great-grandfather was badly wounded at the Battle of Waterloo, but survived to become General Sir Frederick Ponsonby. The sister who helped nurse him back to health was Lady Caroline, better known to history under her married name of Lady Caroline Lamb as the wife of the future Prime Minister Lord Melbourne and lover of the poet Lord Byron. Lady Caroline was also a key figure in the film "Lady Caroline Lamb" – played by Sarah Miles – in 1972. The father of the two siblings, Edward's great-great-grandfather, was