Simon III de Montfort, b. ABT 1100 in Normandy, France, d. 1218 in Toulouse, France

Father: Simon II de Montfort, b. ABT 1068 in Normandy, France, d. 1101

Simon was a crusader from 1208 until 1213 and defeated Raymond III of Aragon at Muret in 1215. He laid seige to Toulouse in 1218.

Spouse: Amice de Beaumont, b. ABT 1125 in England

Father: Robert II de Beaumont, Earl of Leicester, b. 1105/13 in Leicestershire, England, d. 31 August 1190 in Durazzo Provence, West Albania
Mother: Petronilla Grentmesnil, b. ABT 1091 in France, d. 1 April 1212 in Leicester, Leicestershire, England

Married ABT 1140.

Children:

1. Amaury de Montford, b. ABT 1142
2. Robert I de Montfort, b. ABT 1145
3. Simon IV de Montford, Earl of Leicester, b. ABT 1150
4. Bertrade de Montfort (Evreux), b. 1155 in Chester, Cheshire, England, m. Hugh de Kevelioc, Earl of Chester, d. 12 July 1189 in Evreux, Eure, France

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Simon II de Montfort, b. ABT 1068 in Normandy, France, d. 1101

Father: Simon I de Montfort, b. ABT 1025 in Montfort l'Amaury, Normandy, France, m. Isabel de Broyles, d. 25 September 1087, bur. Epernon, Normandy, France
Mother: Agnes d'Evreux, b. ABT 1050 in France

Children:

1. Simon III de Montfort, b. ABT 1100 in Normandy, France, m. Amice de Beaumont, ABT 1140, d. 1218 in Toulouse, France

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Simon I de Montfort, b. ABT 1025 in Montfort l'Amaury, Normandy, France, d. 25 September 1087, bur. Epernon, Normandy, France

Father: Amaury I de Monfort, b. ABT 1000 in France, d. 1031
Mother: Bertrade de Gometz

Spouse: Isabel de Broyles, b. 1034 in Broyles, Marne, France

Father: Hugh Bardoul

Married ABT 1055

Children:

1. Amauri de Montfort, b. ABT 1056, d. 1089
2. Isabel (Elizabeth) de Monfort, b. 1057, m. Ralph (Raoul) II de Tosni

Spouse: Agnes d'Evreux, b. ABT 1050 in France

Father: Richard, Count of Evreux, b. ABT 1042 in Mortain, Normandy, France, d. 1067
Mother: Harleve of Rouen, b. ABT 1045 in Eu, France

Married.

Children:

1. Bertrade de Montfort, b. ABT 1070 in France, m. Fulk IV of Anjou, ABT 1090 in France, div. bef. 1095, m. Philip I, King of France, 1095 in Verberie sur Oise, France, d. 14 February 1117
2. Richard de Montfort, b. ABT 1066, d. 1092 in Conches, France, slain in attack on abbey at Conches
3. Simon II de Montfort, b. ABT 1068 in Normandy, France, d. 1101
4. Amaury III de Montfort, b. ABT 1070 in France, m. Richude (Richilde) de Hainaut, m. Agnes de Garland
5. Guillaume de Montfort, b. ABT 1073, d. 1101
6. Adeliza de Montfort, b. 1075

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Amaury I de Monfort, b. ABT 1000 in France, d. 1031

Spouse: Bertrade de Gometz

Children:

1. Simon I de Montfort, b. ABT 1025 in Montfort l'Amaury, Normandy, France, m. Isabel de Broyles, m. Agnes d'Evreux, d. 25 September 1087, bur. Epernon, Normandy, France

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Richard, Count of Evreux, b. ABT 1022 in Mortain, Normandy, France, d. 1067

Father: Robert II, Archbishop of Rouen, Count of Evreaux, b. bef. 989 in Calvados, Normandy, France, d. 1037 in England
Mother: Harleve of Rouen, b. ABT 1030 in France

Spouse: Gertrude (Godehilde) of Hainaut, m. Roger I "the Spaniard" de Tosni, bef. 9 August 1138

Father: Baldwin III, Count of Hainaut, b. 1088, d. 1120
Mother: Yolanda of Guelders

Married aft. 1040.

Children:

1. William, Count of Evreaux, d. 1118
2. Godehildis of Evreaux
3. Agnes d'Evreux, b. ABT 1050 in France, m. Simon I de Montfort

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