| Children |
| > | 1. Jeanne de Montfort, b. 12 Aug 1387, Nantes, Loire-Atlantique, Pays de la Loire, France  d. 7 Dec 1388 (Age 1 year) [Father: natural] [Mother: natural] |
| > | 2. Infant de Montfort, b. 1388, Nantes, Loire-Atlantique, Pays de la Loire, France d. 1388, Nantes, Loire-Atlantique, Pays de la Loire, France (Age 0 years) [Father: natural] [Mother: natural] |
| | 3. Duc de Bretagne Jean de Montfort, V, b. 24 Dec 1389, Nantes, Loire-Atlantique, Pays de la Loire, France d. 29 Aug 1422 (Age 32 years) [Father: natural] [Mother: natural] |
| | 4. Marie de Montfort, b. 18 Jan 1391, Nantes, Loire-Atlantique, Pays de la Loire, France d. 18 Dec 1446 (Age 55 years) [Father: natural] [Mother: natural] |
| | 5. Marguerite de Montfort, b. 1392, Nantes, Loire-Atlantique, Pays de la Loire, France d. 13 Apr 1428, Guilliers, Morbihan, Bretagne, France (Age 36 years) [Father: natural] [Mother: natural] |
| | 6. Duc de Bretagne Arthur of Richmond de Montfort, III, b. 1393, Nantes, Loire-Atlantique, Pays de la Loire, France d. 1458 (Age 65 years) [Father: natural] [Mother: natural] |
| | 7. Giles de Montfort, b. 1394, Nantes, Loire-Atlantique, Pays de la Loire, France d. 1412 (Age 18 years) [Father: natural] [Mother: natural] |
| | 8. Richard de Montfort, b. 1395, Nantes, Loire-Atlantique, Pays de la Loire, France d. 2 Jun 1438 (Age 43 years) [Father: natural] [Mother: natural] |
| | 9. Blanche de Montfort, b. 1396, Nantes, Loire-Atlantique, Pays de la Loire, France d. 1418 (Age 22 years) [Father: natural] [Mother: natural] |
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