Bertrade of Montfort

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Bertrade de Montfort
Bertrada Filip.jpg
Bertrade with Philip
Queen consort of the Franks
Tenure15 May 1092 – 29 July 1108
Bornc. 1070
Died14 February 1117 (aged 46–47)
SpouseFulk IV, Count of Anjou
Philip I, King of France
IssueFulk, King of Jerusalem
Philip, Count of Mantes
Fleury, Seigneur of Nangis
Cecile, Princess of Galilee
HouseHouse of Montfort
FatherSimon I de Montfort
MotherAgnes of Evreux
ReligionRoman Catholicism

Bertrade de Montfort (c. 1070 – 14 February 1117) was Queen of France by her marriage to Philip I of France. Initially married to Fulk IV, Count of Anjou, she left him and married Philip. Later she founded a daughter house of Fontevraud Abbey at Haute-Bruyeres.


She was the daughter of Simon I de Montfort[1] and Agnes of Evreux.[2] Her brother was Amaury de Montfort.

In 1089, Bertrade and Fulk, Count of Anjou were married,[1] and they became the parents of a son, Fulk. In 1092 she left her husband to live with King Philip I of France.[3] Philip married her on 15 May 1092, despite the fact that they both had spouses living. He was so enamoured of Bertrade that he refused to leave her even when threatened with excommunication. Pope Urban II did excommunicate him in 1095, and Philip was prevented from taking part in the First Crusade.

According to Orderic Vitalis, Bertrade was anxious that one of her sons succeed Philip, and sent a letter to King Henry I of England asking him to arrest her stepson Louis. Orderic also claims she sought to kill Louis, first through the arts of sorcery and then by poison. Whatever the truth of these allegations, Louis succeeded Philip in 1108. Bertrade took the veil at Fontevraud Abbey following Philip's death,[4] but moved to a daughter house, which she founded, at Hautes-Bruyeres by 1112.[5] She died in 1117.

Marriages and issue[edit]

Bertrade and Fulk IV, Count of Anjou, had:

Bertrade and Philip I of France had:


  1. ^ a b Blacker 1998, p. 46.
  2. ^ Mews 2006, p. 129.
  3. ^ Mews 2006, p. 132.
  4. ^ Mews 2006, p. 133.
  5. ^ Mews 2006, p. 135.
  6. ^ Hollister 2001, p. 226.
  7. ^ Bradbury 2007, p. 131.
  8. ^ McDougall 2017, p. 155.
  9. ^ McDougall 2017, p. 159.
  10. ^ Hodgson 2007, p. 217.


  • Blacker, Jean (1998). "Women, Power, and Violence in Orderic Vitalis's "Historia Ecclesiastica". In Roberts, Anna (ed.). Violence Against Women in Medieval Texts. University Press of Florida.
  • Bradbury, Jim (2007). The Capetians: The History of a Dynasty. Bloomsbury Publishing.
  • Hodgson, Natasha R. (2007). Women, Crusading and the Holy Land in Historical Narrative. The Boydell Press.
  • Hollister, C. Warren (2001). Henry I. Yale University Press.
  • McDougall, Sara (2017). Royal Bastards: The Birth of Illegitimacy, 800-1230. Oxford University Press.
  • Mews, Constant J. (2006). "Negotiating the Boundaries of Gender in Religious Life: Robert of Arbrissel and Hersende, Abelard and Heloise". Viator. CMRS Center for Early Global Studies. 37: 113-148.
French royalty
Preceded by Queen consort of the Franks
Succeeded by