Simon I de Montfort born about 1025 in Montfort l'Amaury, Ile de France

Île-de-France (province)

The province of Île-de-France or Isle de France is an historical province of France, and the one at the centre of power during most of French history...

, France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 and died 1087. He is buried in Epernon

Épernon

Épernon is a commune in the Eure-et-Loir department in the Centre region in northern France. It lies some 27 km northeast of Chartres, at the confluence of the Drouette and the Guesle.-History:...

, Normandy

Normandy

Normandy is a geographical region corresponding to the former Duchy of Normandy. It is in France.The continental territory covers 30,627 km² and forms the preponderant part of Normandy and roughly 5% of the territory of France. It is divided for administrative purposes into two régions:...

, France. He was the son of Amaury I de Montfort (c. 1000–1031) and Bertrade de Gometz.

Progeny

Simon I first married Isabel de Broyles (b. 1034, Broyes, Marne, France), daughter of Hugh Bardoul.
Their children were:

• Amauri de Montfort (c. 1056–1089)
• Isabel (Elizabeth) de Montfort (b. 1057), who married Raoul II de Tosny.

Simon I's second marriage was to Agnes d'Evreux (b. 1030), daughter of Richard d'Evreux

Richard, Count of Évreux

Richard, Count of Évreux was the son of Robert II the Archbishop of Rouen and Count of Évreux and Harleve of Rouen.He married Godehildis the widow of Roger I of Tosny, and had the following issue:*Guillaume...

 of Rouen

Rouen

Rouen , in northern France on the River Seine, is the capital of the Haute-Normandie region and the historic capital city of Normandy. Once one of the largest and most prosperous cities of medieval Europe , it was the seat of the Exchequer of Normandy in the Middle Ages...

, Normandy

Normandy

Normandy is a geographical region corresponding to the former Duchy of Normandy. It is in France.The continental territory covers 30,627 km² and forms the preponderant part of Normandy and roughly 5% of the territory of France. It is divided for administrative purposes into two régions:...

. Their children were:

• Bertrade de Montfort
  Bertrade de Montfort
  Bertrade de Montfort was the daughter of Simon I de Montfort and Agnes, Countess of Evreux. Her brother was Amaury de Montfort.-Marriages:...
  
   (c. 1059–1117), became Queen of France.
• Richard de Montfort
  Richard de Montfort
  Richard de Montfort born about 1065 in Montfort l'Amaury, Ile de France, France and died 1092. He was the son of Simon I de Montfort, Count of Évreux and Agnès d'Évreux ....
  
   (c. 1066–1092), slain in attack on abbey at Conches.
• Simon II de Montfort
  Simon II de Montfort
  Simon II de Montfort born about 1068 in Montfort l'Amaury, Ile de France, France and died September 25 1104. He was the son of Simon I de Montfort, Count of Évreux and Agnès d'Évreux ....
  
   (c. 1068–1101)
• Amaury III of Montfort
  Amaury III of Montfort
  Amaury III de Montfort was seigneur de Montfort l'Amaury from 1101 to 1137 and comte d'Évreux from 1118 to 1137. He was the son of Simon I, seigneur de Montfort, and his wife Agnès d'Évreux.- Marriages and children :...
  
  (c. 1070–1137), married Richude (Richilde) de Hainault and Agnes de Garland.
• Guillaume de Montfort (c. 1073–1101)
• Adeliza de Montfort (b. 1075)