Joan [Siwan] (d. 1237), princess of Gwynedd, wife of Llywelyn ab Iorwerth, was the illegitimate daughter of John, king of England, and an unknown mother. A charge for a ship 'to carry the king's daughter and the king's accoutrements to England' from ...
revised by A. D. Carr
revised by Marios Costambeys
Eleanor [Eleanor de Montfort] (c. 1258–1282), princess of Wales, wife of Llywelyn ap Gruffudd, was the only daughter of Simon de Montfort, earl of Leicester (c. 1208–1265), and his wife, Eleanor (1215?–1275). Sir Henry de Montfort (1238–1265), Sir Simon de Montfort (1240–1271), Amaury de Montfort (1242/3–c. 1300)...