Marie of Brittany, Countess of Saint-Pol

Marie of Brittany (1268–1339) was the daughter of John II, Duke of Brittany, and Beatrice of England.[1] She is also known as Marie de Dreux.

Marie of Brittany, Countess of Saint-Pol
Born	1268
Died	1339
Noble family	House of Dreux
Spouse(s)	Guy IV, Count of Saint-Pol
Detail Issue John of Châtillon Mahaut of Châtillon Marie of Châtillon
Father	John II, Duke of Brittany
Mother	Beatrice of England

Family

Her maternal grandparents were Henry III of England and Eleanor of Provence, Henry was a son of King John of England. John was son of Henry II of England and his wife Eleanor of Aquitaine.

Her sister was Blanche of Brittany, wife to Philip of Artois and mother of Margaret of Artois, Robert III of Artois and Joan of Artois, Countess of Foix. Margaret was mother of Jeanne d'Évreux, Queen of France.

Marriage

She married Guy IV, Count of Saint-Pol, in 1292, their children were as follows:

• John of Châtillon (d. 1344), Count of Saint Pol
• James of Châtillon (d.s.p. 1365), Lord of Ancre
• Mahaut of Châtillon (1293–1358), married Charles of Valois
• Beatrix of Châtillon, married in 1315 Jean de Dampierre, Lord of Crèvecœur
• Isabeau of Châtillon (d. May 19, 1360), married in May 1311 Guillaume I de Coucy, Lord of Coucy
• Marie of Châtillon, married Aymer de Valence, 2nd Earl of Pembroke
• Eleanor of Châtillon, married Jean III Malet, Lord of Granville
• Joan of Châtillon, married Miles de Noyers, Lord of Maisy

Descendants

Through her daughter Mahaut, Marie was the maternal grandmother of Marie of Valois, Isabella of Valois, who became Duchess of Bourbon and was the mother of Louis II, Duke of Bourbon, and Joanna of Bourbon, who became Queen of France. Mahaut's other daughter was Blanche of Valois, who married Holy Roman Emperor Charles IV and was the mother of Katharine of Bohemia.

Ancestry

Ancestors of Marie of Brittany, Countess of Saint-Pol

16. Robert II of Dreux 8. Peter I, Duke of Brittany 17. Yolande de Coucy 4. John I, Duke of Brittany 18. Guy of Thouars, Duke of Brittany 9. Alix of Thouars 19. Constance, Duchess of Brittany 2. John II, Duke of Brittany 20. Theobald III, Count of Champagne 10. Theobald I of Navarre 21. Blanche of Navarre 5. Blanche of Navarre 22. Guichard IV, Sire of Beaujeu 11. Agnes of Beaujeu 23. Sybille of Flanders 1. Marie of Brittany 24. Henry II of England 12. John of England 25. Eleanor of Aquitaine 6. Henry III of England 26. Aymer, Count of Angoulême 13. Isabella of Angoulême 27. Alice of Courtenay 3. Beatrice of England 28. Alfonso II, Count of Provence 14. Ramon Berenguer IV, Count of Provence 29. Garsenda, Countess of Forcalquier 7. Eleanor of Provence 30. Thomas I, Count of Savoy 15. Beatrice of Savoy 31. Marguerite of Geneva

References

1. Instructional Images and the Life of St. Eustace, Judith K. Golden, Insights and Interpretations, Ed. Colum Hourihane, (Princeton University Press, 2002), 73.