| | Margaret ferch Thomas … …–… | | |
| | Elen ferch Thomas ap Llewelyn … …–… | | |
| | Thomas ap Llewelyn … …–1343 | | |
| | Llywelyn ap Owain … …–1309 | | |
| | Eleanor Plantagenet of England, Countess consort of Bar 1269–1298 Henry III … Count of Bar 1259–1302 | | |
Gilbert de Clare 1291–1314 | | |
| | Isabel le Despenser 1312–1356 Richard FitzAlan 10th Earl of Arundel and 10th Earl of Surrey 1306–1376 | | |
| | Edward le Despenser 1335–1375 | | |
| | Edward le Despenser 1310–1342 | | |
| | Eleanor de Clare 1292–1337 Hugh Despenser 1st Lord Despenser 1286–1326 | | |
| | John de Ferrers 4th Baron Ferrers of Chartley …–… | | |
| | Thomas de Ros 5th Baron Ros of Helmsley …– | | |
| | Ralph Stafford 1st Earl of Stafford …–… | | |
| | Margaret de Clare 1293–1342 Piers Gavestone Earl of Cornwall …–1312 Hugh de Audley Earl of Gloucester …–1347 | | |
Elizabeth de Clare 1291–1314 | | |
| | Joan Plantagenet 1272–1307 Gilbert de Clare 1243–1295 Ralph de Monthermer 1st Baron Monthermer, Earl of Hertford, Earl of Gloucester, Earl of Atholl …–1325 | | |
Alphonso Plantagenet Earl of Chester …–1284 | | |
Margaret Plantagenet …–1318 John … 2nd Duke of Brabant …–1312 | | |
Berengaria Plantagenet …–1272 | | |
| | Catherine de Courtenay …–… | | |
| | Matilda (Maud) Beaumont …–1467 | | |
| | Edward de Courtenay of Godlington 1329–1372 | | |
| | Margaret de Bohun 1311–1391 Hugh de Courtenay 2nd Earl of Devon 1303–1377 | | |
| | Richard FitzAlan 11th Earl of Arundel and 11th Earl of Surrey …–… | | |
| | William de Bohun 1st Earl of Northampton …–… | | |
| | Elizabeth Plantagenet …–1316 John … Count of Holland …–1299 Humphrey de Bohun Earl of Essex & 4th Earl of Hertford 1275–1321 | | |
King of England Richard II … 1367–1400 Anne of Bohemia … 1366–1394 Isabella … Princess of France 1389–1409 | | |
| | Edward the Black Prince … Prince of Wales 1330–1376 Joan Plantagenet Fair Maid of Kent 1328–1385 | | |
Enguerrand VII de Coucy 1340–1397 | | |
| | Philippa Plantagenet of Clarence, Countess of Ulster …–1381 Edmund Mortimer 3rd Earl of March 1351–1381 | | |
| | Lionel Plantagenet of Antwerp, Duke of Clarence, KG …–1368 Elizabeth de Burgh …–1363 Violante Visconti … …–1386 | | |
| | John I (João I) … 1358–1453 | | |
John Hastings 3rd Earl of Pembroke …–1389 John Holland Duke of Exeter, KG …–1400 John Cornewaille 1364–1443 | | |
| | King of England Henry IV … 1367–1413 | | |
| | John Beaufort 1st Earl of Somerset, KG 1373–1410 Margaret Holland 1381–1439 | | |
| | Henry Beaufort Cardinal Beaufort, Bishop of Winchester …–1447 | | |
| | Thomas Beaufort Duke of Exeter, KG …–1426 | | |
| | Joan Beaufort Countess of Westmorland 1379–1440 Robert Ferrers Sir, 2nd Baron Ferrers of Wemme …–1396 Ralph de Neville 1364–1425 | | |
| | John Plantagenet of Gaunt (Ghent), 1st Duke of Lancaster, KG 1340–1399 Blanche Plantagenet of Lancaster 1341–1369 Constanza … Queen of Castile 1354–1394 Katherine de Roet (Rouet) 1350–1403 | | |
Edward Plantagenet …–1415 Philippa de Mohun 1376–1431 | | |
| | Constance Plantagenet …–1416 Thomas le Despenser …–1400 Edmund Holand 4th Earl of Kent …–… | | |
| | Richard Plantagenet of Conisburgh, Earl of Cambridge …–1415 | | |
| | Edmund Plantagenet of Langley, 1st Duke of York, KG 1341–1402 | | |
John de Montfort 4th Duke of Brittany …–1399 | | |
| | Anne … of Gloucester, Countess of Stafford 1383–1438 Edmund Stafford Earl of Stafford …–1403 William Bourchier 1st Count of Eu 1386–1420 | | |
| | Thomas … of Woodstock, 1st Duke of Gloucester, 1st Earl of Buckingham, 1st Earl of Essex, Duke of Aumale, KG 1355–1397 Eleanor (Alianore) de Bohun 1366–1399 | | |
| | King of England and France, Lord of Ireland (1327-1377) Edward III Plantagenet 1312–1377 Philippe (d'Avesnes) de Hainault 1314–1369 | | |
John of Eltham Plantagenet Earl of Cornwall …–1336 | | |
Eleanor Plantagenet …–1355 Rainald II … Duke of Guelders …–1343 | | |
Joanna Plantagenet …–1362 David II … King of Scotland 1324–1371 | | |
| | King of England Edward II … 1284–1327 Isabella … of France 1292–1358 | | |
Edward Plantagenet …–1337 | | |
| | Thomas de Mowbray 1st Duke of Norfolk, KG, Lord Marshall and Earl Marshall 1366–1399 Elizabeth FitzAlan 1366–1425 | | |
| | John de Welles 5th Baron Welles …– | | |
| | Elizabeth de Segrave 5th Baroness Segrave …–1399 John Mowbray 4th Baron Mowbray 1328–1368 | | |
| | Margaret Plantagenet Duchess of Norfolk, 2nd Countess of Norfolk 1320–1399 Walter Manny Sir, KG …–1372 | | |
Edward Montagu Lord Montagu …–1361 | | |
| | Thomas Plantagenet of Brotherton, 1st Earl of Norfolk, Lord Marshall of England 1300–1338 | | |
Edmund … Earl of Kent …–1332 | | |
| | Edward Cherlton 4th Baron Cherlton of Powis …– | | |
| | Margaret Holland 1381–1439 John Beaufort 1st Earl of Somerset, KG 1373–1410 Thomas … of Lancaster, 1st Duke of Clarence, KG 1389–1421 | | |
| | Thomas Holland 2nd Earl of Kent …–… | | |
King of England Richard II … 1367–1400 Anne of Bohemia … 1366–1394 Isabella … Princess of France 1389–1409 | | |
| | Joan Plantagenet Fair Maid of Kent 1328–1385 Thomas Holland 1st Earl of Kent, KG …–1360 William … Earl of Salisbury …–… Edward the Black Prince … Prince of Wales 1330–1376 | | |
John … Earl of Kent …–1352 | | |
| | Edmund Plantagenet of Woodstock, 1st Earl of Kent (1321) 1301–1330 Margaret Wake 3rd Baroness Wake of Liddell 1297–1349 | | |
Eleanor Plantagenet …–1311 | | |
Richard … Lord Grey of Wilton 1393–1461 | | |
| | Henry … Lord Grey of Wilton 1340–1396 | | |
| | Reynold … Lord Grey of Wilton 1311–1370 | | |
| | John Botetourt Lord Botetourt …–1324 | | |
| | Edward I Plantagenet 1239–1307 | | | | 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 England John … 1167–1216 Isabel … Countess of Gloucester …–1217 Isabella … of Angoulême 1188–1246 | | | | King of England Henry II … 1133–1189 Rosamunde of Clifford … …–… | | | | Geoffrey V … Count of Anjou 1113–1151 Adelaide (Matilda) … 1102–1167 | | |
| | | William X … Duke of Aquitaine 1099–1157 Aenor … of Chatellerault …–… | | |
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| | | William Fitz Robert … 2nd Earl of Gloucester 1150–1183 Hawise de Beaumont …–1197 | | | | Robert de Mellment … 1st Earl of Gloucester 1100–1147 | | |
| | | Robert de Beaumont 1st Earl of Leicester …–… Elizabeth (Elisabeth or Isabel) de Vermandois 1081–1131 | | |
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| | | Aymer … Count of Angouleme …–… Alice de Courtenay 1160–1218 | | | | Pierre … Prince of France 1125–1173 Elizabeth de Courtenay 1127–1205 | | |
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| | | Ramon (Raymond IV) Berenguer Count of Provence (1209-1245) 1195–1245 Beatrix … of Savoy, Countess consort of Provence 1198–1266 | | | | Alfonso II … Count of Provence 1174–1269 Gersinde II de Sabran … Countess of Forcalquier 1180–1209 | | | | Raimond … Prince of Sabran 1154–1224 Garsinde … Countess of Forcalquier 1156–… | | |
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