Simon I de Montfort

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Simon I de Montfort
Seigneur of Montfort
PredecessorAmaury I de Montfort
SuccessorAmaury II de Montfort
Bornc. 1025
Montfort l'Amaury,
Kingdom of France
Died25 September 1087(1087-09-25) (aged 61–62)
BuriedÉpernon, Kingdom of France
Noble familyHouse of Montfort
Spouse(s)Isabel de Broyes
Agnes d'Evreux
FatherAmaury I de Montfort

Simon I of Montfort or Simon de Montfort (c. 1025 – 25 September 1087) was a French nobleman. He was born in Montfort l'Amaury, in the Duchy of Normandy, and became its lord. He was the son of Amaury I de Montfort[1] and Bertrade. At his death he was buried about 20 miles (32 km) away in Épernon, because it was the site of the fortress he was instrumental in constructing.


Simon I first married Isabel de Broyes (b. 1034 in Broyes, Marne),[2] daughter of Hugh Bardoul. Their children were:

Simon I's second marriage was to Agnes d'Évreux (b. 1030), daughter of Richard, Count of Évreux.[4] Their children were:



  1. ^ Power 2004, p. 332.
  2. ^ Lippiatt 2017, p. xvii.
  3. ^ a b Châtelain 1983, p. 86.
  4. ^ Abels & Bachrach 2001, p. 141.
  5. ^ Blacker 1998, p. 46.
  6. ^ Green 2000, p. 97.
  7. ^ a b c Châtelain 1983, p. 20.


  • Abels, Richard Philip; Bachrach, Bernard S., eds. (2001). The Normans and Their Adversaries at War. Boydell Press.
  • 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.
  • Châtelain, André (1983). Châteaux forts et féodalité en Ile de France, du XIème au XIIIème siècle (in French). Nonette.
  • Green, Judith A. (2000). "Robert Curthose Reassessed". In Harper-Bill, Christopher (ed.). Anglo-Norman Studies: Proceedings of the Battle Conference. Vol. 22. The Boydell Press.
  • Lippiatt, Gregory Edward Martin (2017). Simon V of Montfort and Baronial Government, 1195-1218. Oxford University Press.
  • Power, Daniel (2004). The Norman Frontier in the Twelfth and Early Thirteenth Centuries. Cambridge University Press.
Preceded by Lord of Montfort [fr]
Succeeded by