Richard de Clare = (1) Margaret de Burgh Edward I = (1) Eleanor of Castile th 6 Earl of Gloucester d 1237 King of England d 1291 b 1222 = (2) Maud de Lacy b 1239 = (2) Margaret of France d 1262 m 1238 London d 1318 d ca 1289 d 1307 Burgh by Sands SEE CHART FOR EDWARD II, KING OF ENGLAND Gilbert de Clare = (1) Alice de Lusignan Thomas de Clare Margaret de Clare Rose de Clare th 7 Earl of = (2) Joan of Acre = (2) Ralph de Lord of Thomond b ca 1249 b 1252 Gloucester b 1272 Monthermer d 1287 m 1272 Tonbridge, Kent d 1313 d 1317 b 1243 m 1290 b ca 1270 (2) = Juliana Fitzmaurice John de Mowbray d 1295 d 1307 m ca 1297 d ca 1300 = Edmund = Roger de Mowbray nd nd st 2 Lord Mowbray d 1325 = (2) Nicholas Avenal 2 Earl of Cornwall 1 Lord Mowbray b 1286 b 1254 d 1297 d 1322 Ghent, Belgium York = Aline de Breuse = (2) Richard de b ca 1290 Peshale Gilbert de Clare Richard de Clare Margaret de Clare Maud de Clare = (2) Robert de Welle b ca 1280 d 1318 b ca 1287 b ca 1276 d 1320 rd Limerick, Ireland Dysert, Ireland d 1333 d 1327 John de Mowbray, 3 Lord Mowbray d ca 1307 = Joan = (1) Gilbert de Umfraville = (1) Robert de Clifford, 1st Lord Clifford b 1310, Hovingham, Yorkshire d 1361, York = Isabella = (2) Bartholomew de Badlesmere b 1274 st m 1295 = (1) Joan Plantagenet 1 Lord Badlesmere Thomas de Clare d 1314 b ca 1312 b ca 1275 d ca 1321 Bannockburn d 1345 d 1322 (2) Elizabeth de Vere = (1) Hugh de d 1375 Courtenay b 1327 Margery de Badlesmere Maud de Badlesmere Elizabeth de Badlesmere Giles de Badlesmere Margaret de Badlesmere Idoine de Clifford Roger de Clifford Robert de Clifford m 1341 nd nd rd b ca 1306 b ca 1310 b ca 1313 2 Lord Badlesmere b ca 1315 b ca 1300 2 Lord Clifford 3 Lord Clifford (3) William d 1363 d 1366 d 1356 b 1314 = John Tiptoft Appleby, Westmorland b 1300 b 1305 nd Cosynton = (1) William de Ros = John de Vere = (1) Edmund Mortimer Hambleton, Rutland 2 Lord Tiptoft m 1314 d 1322 d 1344 nd th d 1365 m 1369 2 Lord De Ros 7 Earl of Oxford b ca 1310 d 1338 York = Isabel de Berkeley m ca 1336 d 1332 = Elizabeth Montagu = Henry Percy m 1328 of Helmsley nd d 1343 d 1359 = (2) William de Bohun d 1359 2 Lord Percy Berkeley, Gloucestershire st = (3) Guy de Bryan b 1301 d 1362 1 Earl of = (2) Hugh le Despenser st Northampton 1 Lord Despenser Lord Bryan Leconfield Yorkshire = (2) Thomas de = (1) Margaret de Ros (2) Thomas de Arundel d 1352 m ca 1351 b ca 1311 b ca1308 d 1390 Musgrave st (3) John Avenel d 1360 m 1341 = (1) Joan de 1 Lord Musgrave m 1355 d 1349 Carreu d ca 1385 Isabel de Clare = (1) Guy de Beauchamp Joan de Clare Gilbert de Clare = Maud de Burgh Eleanor de Clare Margaret de Clare th th Elizabeth de Clare b 1263 10 Earl of Warwick b ca 1268 8 Earl of d 1320 b 1292 b 1293 = (1) Duncan d 1337 d 1342 b 1295 d 1333 (2) Maurice de Berkeley Gloucester d 1360 nd Earl of Fife b 1291 = (1) Hugh le Despencer = (1) Piers Gaveston 2 Lord Berkeley = (1) John de Burgh b ca 1262 m 1308 b ca 1290 b ca 1284 b ca 1271 b ca 1286 d 1289 d 1314 m 1306 m ca 1307 m ca 1316 m 1308 Bannockburn d 1326 d 1312 d 1326 = (2) Gervase Waltham Abbey, Essex (2) William de Mortimer = (2) Hugh Audley = (1) Eve la Zouche Avenel d 1313 st b ca 1298 m 1289 1 Baron la Zouche m 1317 (2) Theobald de Verdun = (1) Maud Mortimer d 1314 John de Clare m ca 1329 nd b 1312 d 1337 Windsor, Berkshire 2 Lord Verdun m 1302 b 1278 Wigmore, Herefordshire d 1312 = (1) Alice de Toni d 1347 m 1316 = (1) Guy de = (3) Roger d’Amorie Duncan Son Isabel Beauchamp Earl of Fife = John Comyn th Lord d’Amorie 10 Earl of m 1317 b 1285 Earl of Buchan Warwick d 1322 d 1353 d 1308 = (2) Thomas = Mary de Monthermer de Leyburn Margaret Audley (2) = Ralph de Stafford Elizabeth d’Amorie st William de Burgh d 1361 1 Earl of Stafford 3rd Earl of Ulster b 1301 = John Bardolf Hugh le Despencer Isabel le Despencer Eleanor le Despencer Elizabeth le Despencer Gilbert le Despencer Edward le Despencer b 1312 rd b ca 1308 = Richard Fitzalan = Hugh de Courtenay d 1389 d 1342 d 1372 d 1333 3 Lord Bardolf d 1349 Tonbridge, Kent b 1313 Earl of Arundel = Maurice de Berkeley = Anne de Ferrers th (1) = Matilda of Lancaster = (2) Ralph de Ufford m 1326 = Elizabeth Montagu m 1321 4 Baron Berkeley m 1335 = (1) Katherine b ca 1310 d 1346 d 1363 d 1359 (see above) m 1338 d 1367 Hastings Carrickfergus, Ireland Assisi, Italy m ca 1326 d ca 1377 .