Prince of North Wales Llewellyn Ap Gruffydd Prince of North Wales, son of Prince of Wales Gruffydd Ap Llewellyn Prince of Wales and Ealdgyth (Edith) 'Swan Neck' of Mercia. Born ± 1040 Married/ Related to: Agatha of Mercia, daughter of Alfgar III Earl of Mercia and Elfgifu Princess of England. Born 1044, died UNKNOWN |