Gwenllian Princess of Wales~ Gwenllian was only a few months old when her father, Llywelyn the Last, was killed near Irfon Bridge on 11 December 1282. Her mother, Llywelyn's cousin, Eleanor de Montfort, died while giving birth to her in the palace of Pen-y-Bryn, in Abergwyngregyn near Bangor, Gwynedd on 12 June 1282.
Penrhyn Castle is a country house in Llandegai, Bangor, Gwynedd, North Wales, in the form of a Norman castle. It was originally a medieval fortified manor house, founded by Ednyfed Fychan. In 1438, Ioan ap Gruffudd was granted a licence to crenellate and he founded the stone castle and added a tower house. Samuel Wyatt reconstructed the property in the 1780s.