| | | | | | Piers Gavestone Earl of Cornwall …–1312 Margaret de Clare 1293–1342 | | | | Gilbert de Clare 1243–1295 Joan Plantagenet 1272–1307 | | | | Richard de Clare 1222–1262 Margaret (Megotta) … …–1237 | | | | Gilbert de Clare 1180–1230 Isabel Marshall 1200–1240 | | |
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| | | Edward I Plantagenet 1239–1307 Queen consort of England (1272-1290) Eleanor … of Castile 1241–1290 Queen of England Margaret … of France 1279–1318 | | | | King of England, Lord of Ireland and Duke of Aquitaine (1216-1272) Henry III Plantagenet of Winchester 1207–1272 Queen Consort of England (1236-1272) Eleanor … of Provence 1217–1291 | | |
| | | King of Castile (1217-1252) and Leon (1230-1252), Saint Ferdinand III … 1199–1252 Jeanne (Joan) de Dammartin Countess of Ponthieu 1220–1279 | | |
| | | King of France (1270-1285) Philip III … 1245–1285 | | |
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