Jean IV "Le Conqu?rant" Duc De Bretagne
1295 - 1345 (50 years)
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| John V (5th Duke of Brittany) De Dreux 1340-1399 |
| John V (5th Duke of Brittany) De Dreux | |
| B: | Between 1339 and 1340 |
| D: | 1 Nov 1399 |
 | Mary Plantagenet 1344-1362 |
| Mary Plantagenet | |
| B: | 10 Oct 1344 |
| M: | 1361 |
| D: | 1362 |
| Joan (of Kent) Holland Abt 1356-Aft 1384 |
| Joan (of Kent) Holland | |
| B: | Abt 1356 |
| M: | 1366 |
| D: | Aft 25 Dec 1384 |
| Francis I (Duke of Brittany) De Dreux 1414-1450 |
| Francis I (Duke of Brittany) De Dreux | |
| B: | 11 May 1414 |
| D: | 17 Jul 1450 |
| Isabelle of Scotland 1426-1494 |
| Isabelle of Scotland | |
| B: | 1426 |
| M: | 30 Oct 1442 |
| D: | 1494 |
| Peter II (Duke of Brittany) De Dreux | |
| D: | 1457 |
| Jean VI "Le Bon" (Duke De Bretagne) De Dreux | |
| B: | 24 Dec 1389 |
| D: | 29 Aug 1442 |
| Joan De Valois of France 1391-1433 |
| Joan De Valois of France | |
| B: | 1391 |
| D: | 1433 |
| Marguerite De Rohan -1497 |
| Marguerite De Rohan | |
| D: | 1497 |
| John (Count Angoul?me) De Valois 1404-1467 |
| John (Count Angoul?me) De Valois | |
| B: | 1404 |
| M: | 31 Aug 1449 |
| D: | 30 Apr 1467 |
| Catherine De Rohan -Aft 1471 |
| Catherine De Rohan | |
| D: | Aft 24 Mar 1471 |
| Jean (Vcte De Tartas) D'albret | |
| M: | Bef 20 Sep 1447 |
| D: | 3 Jan 1467-1468 |
| Marguerite De Bretagne Abt 1392-1428 |
| Marguerite De Bretagne | |
| B: | Abt 1392 |
| D: | 13 Apr 1428 |
| Alain IX Viscount De Leon & De Rohan Abt 1390-1462 |
| Alain IX Viscount De Leon & De Rohan | |
| B: | Abt 1390 |
| M: | 26 Jun 1407 |
| D: | 20 Mar 1461-1462 |
| Arthur II (Duke De Bretagne) De Dreux 1393-1458 |
| Arthur II (Duke De Bretagne) De Dreux | |
| B: | 24 Aug 1393 |
| D: | 26 Dec 1458 |
| Marguerite of Burgundy 1390-1441 |
| Marguerite of Burgundy | |
| B: | 1390 |
| M: | 10 Oct 1423 |
| D: | 2 Feb 1440-1441 |
| Joanne of Navarre Abt 1370-1437 |
| Joanne of Navarre | |
| B: | Abt 1370 |
| Pamplona | |
| M: | 11 Sep 1386 |
| D: | 9 Jul 1437 |
| Havering-Atte-Bower, Essex, England | |
| Jeanne of Richmond 1341-Aft 1399 |
| Jeanne of Richmond | |
| B: | 1341 |
| D: | Aft 20 Oct 1399 |
| Ralph (of Drayton) Basset -Yes, date unknown |
| Ralph (of Drayton) Basset | |
| M: | Bef 21 Oct 1385 |
| D: | Yes, date unknown |
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| Jean IV "Le Conqu?rant" Duc De Bretagne 1295-1345 |
| Jean IV "Le Conqu?rant" Duc De Bretagne | |
| B: | 1295 |
| D: | 16 Sep 1345 |
| Jeanne of Flanders Abt 1295-1374 |
| Jeanne of Flanders | |
| B: | Abt 1295 |
| M: | 1329 |
| D: | 1374 |