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Alfonso of Brienne

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Coat of arms of Alphonso

Alfonso of Brienne, called Alphonse d'Acre (c. 1220 – 14 September 1270), was the son of John of Brienne and Berengaria of León, born in Acre.

Alfonso took part in the Seventh Crusade (1248) as a squire. By his marriage (before 1250) to Marie, Countess of Eu he became Count of Eu. He was also Grand Chamberlain of France. He died on 14 September 1270 in Tunis on the Eighth Crusade in the same epidemic that claimed King Louis IX.

He had at least two children by Marie:

Ancestry

Ancestors of Alfonso of Brienne
16. Erard I of Brienne
8. Gautier II of Brienne
17. Alix of Roucy-Ramerupt
4. Erard II of Brienne
18. John I, Count of Soissons
9. Adele of Soissons
19. Aveline de Pierrefonds
2. John of Brienne
20. Richard II of Montfaucon
10. Amadeus II of Montfaucon
21. Sophie of Montbéliard
5. Agnes of Montfaucon
11. Beatrice of Grandson-Joinville
1. Alphonso of Brienne
24. Alfonso VII of León and Castile
12. Ferdinand II of León
25. Berenguela of Barcelona
6. Alfonso IX of León
26. Afonso I of Portugal
13. Urraca of Portugal
27. Maud of Savoy
3. Berengaria of León
28. Sancho III of Castile
14. Alfonso VIII of Castile
29. Blanche of Navarre
7. Berenguela of Castile
30. Henry II of England
15. Eleanor of England
31. Eleanor of Aquitaine

References

  1. ^ Pollock 2015, p. 145.
  2. Perry 2018, p. 79.
  3. Perry 2018, pp. 107–108.
  4. Perry 2018, p. xxiii.

Sources

  • Perry, Guy (2018). The Briennes: The Rise and Fall of a Champenois Dynasty in the Age of the Crusades, c. 950-1356. Cambridge University Press.
  • Pollock, M. A. (2015). Scotland, England and France After the Loss of Normandy, 1204-1296. The Boydell Press.


Preceded byRaoul II Count of Eu
with Marie
1250–1270 		Succeeded byJohn I
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