Joan De Geneville, [Countess of Mar
1286 - 1356 (70 years)(
= Descendancy chart to this point, 
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- 1 Joan De Geneville, [Countess of Mar [1] b. 2 Feb 1285/1286 d. 19 Oct 1356
- Roger Mortimer, [EARL OF MARCH] b. 3 May 1287 d. 29 Nov 1330
- 2 Joane De Mortimer, [Baroness Audley [1.1] b. Abt 1313 d. 1337/1351
- 2 Maud De Mortimer [1.2] b. Abt 1307 d. Aft Aug 1345
- 2 Margaret De Mortimer [1.3] b. 1308 d. 5 May 1337
- Thomas "the Rich" Berkeley, [BARON BERKELEY] d. 27 Oct 1361
- 3 Joane De Berkeley, [Baroness Cobham [1.3.1] b. Abt 1305 d. 2 Oct 1369
- 3 John De Berkeley [1.3.2] b. Abt 1330
- 3 Maurice Berkeley [1.3.3] b. 1330 d. Aug 1368
- Elizabeth Despencer b. 1322 d. 13 Jul 1389
- 4 Thomas Berkeley [1.3.3.1] b. 5 Jan 1352/1353 d. 13 Jul 1417
[ =>]
- 4 James De Berkeley [1.3.3.2] b. Abt 1355 d. 13 Jun 1405
- 4 John Berkeley [1.3.3.3] b. Abt 1357 d. 1381
- 4 Maurice De Berkeley [1.3.3.4] b. Abt 1358
- 4 Catherine De Berkeley [1.3.3.5] b. Abt 1360
- 4 Agnes De Berkeley [1.3.3.6] b. Abt 1363
- 4 Elizabeth De Berkeley [1.3.3.7] b. Abt 1365
- 4 Thomas Berkeley [1.3.3.1]
- 3 Roger De Berkeley [1.3.4] b. Abt 1334
- 3 Thomas De Berkeley [1.3.5] b. Abt 1336 d. 1350
- 3 Alphonsus De Berkeley [1.3.6] b. Abt 1337 d. 1350
- 3 Joane De Berkeley, [Baroness Cobham [1.3.1]
- + Robert Vere, [EARL OF OXFORD]
- 2 Catherine (Katherine) De Mortimer, [COUNTESS OF WAR [1.4] b. 1309/1310 d. Bef 6 Sep 1369
- Thomas De Beauchamp, [EARL OF WARWICK b. 14 Feb 1313/1314 d. 13 Nov 1369
- 3 Alice De Beauchamp [1.4.1] b. Abt 1345 d. 26 Oct 1383
- 3 Philippe Beauchamp, [COUNTESS OF STA [1.4.2] b. Abt 1334
- Hugh Stafford, [EARL OF STAFFOR b. 1334 d. 16 Oct 1386
- 4 William Stafford, [EARL OF STAFFOR [1.4.2.1] b. 21 Sep 1375 d. 6 Apr 1395
- 4 Ralph Stafford [1.4.2.2] b. 1354 d. 1385
- 4 Margaret De Stafford, [COUNTESS OF WES [1.4.2.3] b. Abt 1364 d. 9 Jun 1396
[ =>]
- 4 Thomas Stafford, [EARL OF STAFFOR [1.4.2.4] b. 1368 d. 4 Jul 1392
- 4 Humphrey Stafford [1.4.2.5] b. Abt 1376
- 4 Catharine Stafford [1.4.2.6] b. Abt 1376 d. 8 Apr 1419
- 4 Edmund Stafford, [EARL OF STAFFOR [1.4.2.7] b. 2 Mar 1377/1378 d. 22 Jul 1403
- 4 Joan Stafford [1.4.2.8] b. 1378 d. 1 Oct 1442
- 4 Hugh Stafford [1.4.2.9] b. Abt 1382 d. 25 Oct 1420
- 4 William Stafford, [EARL OF STAFFOR [1.4.2.1]
- 3 Joan Beauchamp [1.4.3] b. Abt 1343 d. 1342
- 3 Agnes Beauchamp [1.4.4] b. Abt 1348
- 3 Margaret Beauchamp [1.4.5] b. Abt 1350
- 3 Juliana Beauchamp [1.4.6] b. Abt 1352
- 3 Isabel Beauchamp [1.4.7] b. Abt 1356 d. 29 Sep 1416
- 3 John Beauchamp [1.4.8] b. Abt 1339 d. 1361
- 3 Reynburn De Beauchamp [1.4.9] b. Bef 24 Apr 1344 d. Bef 29 Jul 1361
- 3 Richard Beauchamp [1.4.10] b. Abt 1347
- 3 William Beauchamp, [BARON BERGAVENN [1.4.11] b. Abt 1358 d. 8 May 1411
- Joan Fitzalan b. Abt 1372 d. 14 Nov 1435
- 4 Joan Beauchamp, [Countess of Orm [1.4.11.1] b. Abt 1396 d. 3 Aug 1430
[ =>]
- 4 Richard Beauchamp, [Earl of Worcest [1.4.11.2] b. Abt 1397 d. Aft 18 Mar 1421/1422
- 4 Elizabeth Beauchamp [1.4.11.3] b. Abt 1400
- 4 Joan Beauchamp, [Countess of Orm [1.4.11.1]
- 3 Maud De Beauchamp, [BARONESS CLIFFO [1.4.12] b. Abt 1335
- Roger Clifford, [BARON CLIFFORD] b. 10 Jul 1333 d. 13 Jul 1389/1390
- 4 Catherine Clifford, [BARONESS GREYST [1.4.12.1] b. Abt 1358 d. 23 Apr 1413
[ =>]
- 4 Lewis Clifford, [Sir Knight] [1.4.12.2] b. Abt 1359 d. Bef 5 Dec 1404
- 4 Isabella Clifford [1.4.12.3] b. Abt 1361
- 4 Thomas Clifford, [BARON CLIFFORD] [1.4.12.4] b. 1363 d. 18 Aug 1391
- 4 Mary De Clifford [1.4.12.5] b. Abt 1365
- 4 Margaret De Clifford [1.4.12.6] b. Abt 1367 d. 1455
- 4 Philippa Clifford [1.4.12.7] b. Abt 1371 d. 1441
- 4 Maud De Clifford [1.4.12.8] b. Abt 1373
- 4 William Clifford, [Sir Knight] [1.4.12.9] b. Abt 1375 d. 1417
- 4 Catherine Clifford, [BARONESS GREYST [1.4.12.1]
- 3 Roger De Beauchamp [1.4.13] b. Abt 1341 d. Aft 29 Jul 1361
- 3 Hurom (Jerome) Beauchamp [1.4.14] b. Abt 1343
- 3 Guy Beauchamp, [Sir Knight] [1.4.15] b. Abt 1337 d. 28 Apr 1360
- + Phillipa De Ferrers b. Abt 1337 d. Bef 10 Aug 1383/1384
- + Phillipa De Ferrers b. Abt 1337 d. Bef 10 Aug 1383/1384
- 3 Thomas De Beauchamp, [EARL OF WARWICK [1.4.16] b. Bef 16 Mar 1338/1339 d. 8 Jul 1401
- Margaret Ferrers, [COUNTESS OF WAR b. Abt 1347 d. 22 Jan 1406/1407
- 4 Katherine Beauchamp [1.4.16.1] b. Abt 1374
- 4 Margaret Beauchamp [1.4.16.2] b. Abt 1376
- 4 Elizabeth Beauchamp [1.4.16.3] b. Abt 1378
- 4 Richard De Beauchamp, [EARL OF WARWICK [1.4.16.4] b. 28 Jan 1381 d. 30 Apr 1439
[ =>]
- 4 Katherine Beauchamp [1.4.16.1]
- 3 Elizabeth Beauchamp [1.4.17] b. Abt 1345
- 3 Catherine Beauchamp [1.4.18] b. Abt 1354
- 3 Alice De Beauchamp [1.4.1]
- 2 Geoffrey De Mortimer, [SEIGNEUR OF COU [1.5] b. Abt 1310
- 2 Agnes De Mortimer, [Countess of Pem [1.6] b. Abt 1313 d. Abt 1368
- 2 Blanche De Mortimer, [BARONESS GRANDI [1.7] b. Abt 1316 d. 1347
- + Piers (Peter) De Grandison, [BARON GRANDISON b. 1286 d. 10 Aug 1358
- + Piers (Peter) De Grandison, [BARON GRANDISON b. 1286 d. 10 Aug 1358
- 2 Beatrice De Mortimer, [Baroness Brewos [1.8] b. Abt 1322 d. 16 Oct 1383
- + Edward Plantagenet, [PRINCE OF ENGLA b. Abt 1320 d. Bef 1332
- + Thomas Braose (Breuse)
- + Edward Plantagenet, [PRINCE OF ENGLA b. Abt 1320 d. Bef 1332
- 2 Roger De Mortimer [1.9] b. Abt 1308
- 2 John De Mortimer [1.10] b. Abt 1321
- 2 Edmund De Mortimer, [Sir Knight] [1.11] b. Abt 1306 d. 16 Dec 1351
- + Elizabeth De Badlesmere, [Countess of Nor b. 1313 d. 8 Jun 1356
- + Elizabeth De Badlesmere, [Countess of Nor b. 1313 d. 8 Jun 1356
- 2 Joane De Mortimer, [Baroness Audley [1.1]