Henry III Plantagenet of Winchester, King of England, Lord of Ireland, Duke of Aquitaine, was born 1 October 1207 in Winchester Castle, Hampshire, England, United Kingdom to John of England (1167-1216) and Isabelle of Angoulême (1186-1246) and died 16 November 1272 Westminster Palace, London, England, United Kingdom of unspecified causes. He married Éléonore de Provence (1223-1291) 1 January 1236 JL Canterbury Cathedral in Canterbury, Kent, England, United Kingdom. Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Rollo of Normandy (860-932)/s.
He inherited his titles upon his father's death in 1216, and held them until his death.
He also had various half-siblings - his father's bastards and the children of his mother's second marriage. The latter are:
- Adhémar de Lusignan, Bishop of Winchester (?-1260)
- Agnès de Lusignan (?-After 1269)
- Alix de Lusignan (?-1256)
- Geoffroi de Lusignan, Seigneur de Jarnac (?-1272)
- Guillaume de Valence, Earl of Pembroke (About 1225-1296)
- Guy de Lusignan, Seigneur de Couha (?-After 1248)
- Hugues XI de Lusignan, Comte de La Marche (?-1250)
- Isabelle de Lusignan, Dame de Beauvoir (?-1299)
- Marguerite de Lusignan (?-1288)