Joan de Dammartin, b. ca. 1216 in Dammartin, Seine-et-Marne, France, d. 15 March 1279 in Abbeville, Ponthieu, France

Father: Simon II, Count of Dammartin, b. ca. 1180 in Dammartin, Seine-et-Marne, France, d. 21 September 1239 in Abbeville, Ponthieu, France
Mother: Marie of Ponthieu, b. 17 April 1199 in Aumale, Normandy, France, d. September 1250 in Normandy, France

Spouse: Fernando III "the Saint", b. 1199 in Leon, Spain, m. Beatrix (Elizabeth) of Swabia, 30 November 1219 in Burgos, Spain, d. 30 May 1252 in Sevilla, Spain, He became King of Castile, 1217 in Castile, Spain

Father: Alfonso IX of Leon, b. 15 August 1171 in Zamora, Leon, Spain, d. 24 September 1230 in Villaneuva de Sarria, Lugo, Spain, He became King of Leon, 1188 in Leon, Spain
Mother: Berengeria of Castile, b. January 1175 in Burgos, Spain, d. 8 November 1246 in Burgos, Spain

Married 1237 in Burgos, Spain.

Children:

• Eleanor of Castile, b. 1244 in Burgos, Spain, m. Edward I "Longshanks", King of England, 18 October 1254 in Burgos, Spain, d. 28 November 1290 in Herdeby, Lincolnshire, England

Spouse: Jean de Nesle

Married May 1260.

Simon II, Count of Dammartin, b. ca. 1180 in Dammartin, Seine-et-Marne, France, d. 21 September 1239 in Abbeville, Ponthieu, France

Father: Alberic II de Dammartin, b. ca. 1160, d. 1200
Mother: Maud de Montmorency, b. ca. 1165 in Montmorencey, France

Spouse: Marie of Ponthieu, b. 17 April 1199 in Aumale, Normandy, France, d. September 1250 in Normandy, France

Father: William IV, Count of Ponthieu, b. 1159, d. 1221
Mother: Alice of France, b. aft. 1160

Married 1208.

Children:

• Joan de Dammartin, b. ca. 1216 in Dammartin, Seine-et-Marne, France, m. Fernando III "the Saint", 1237 in Burgos, Spain, m. Jean de Nesle, May 1260, d. 15 March 1279 in Abbeville, Ponthieu, France

Alberic II de Dammartin, b. ca. 1160, d. 1200

Father: Alberic I, Count of Dammartin, b. ca. 1130, d. 1183
Mother: Clemence Bar-le-Duc, b. ca. 1135 in Bar-le-Duc, France

Spouse: Maud de Montmorency, b. ca. 1165 in Montmorencey, France

Father: Mathieu II Montmorency, b. in France, d. 1230

Married.

Children:

• Simon II, Count of Dammartin, b. ca. 1180 in Dammartin, Seine-et-Marne, France, m. Marie of Ponthieu, 1208, d. 21 September 1239 in Abbeville, Ponthieu, France
• Agnes Dammartin, b. ca. 1195, m. William de Fienes (1)

Alberic I, Count of Dammartin, b. ca. 1130, d. 1183

Father: Hugh II, Count of Dammartin, b. ca. 1100
Mother: Rothride Dammartin, b. ca. 1105

Spouse: Clemence Bar-le-Duc, b. ca. 1135 in Bar-le-Duc, France

Father: Renaud I of Bar-le-Duc, b. ca. 1100 in Bar-le-Duc, France, d. 1150
Mother: Gisele de Vaudemont, b. ca. 1105 in Vaud Canton, Switzerland

Married.

Children:

• Alberic II de Dammartin, b. ca. 1160, m. Maud de Montmorency, d. 1200

Hugh II, Count of Dammartin, b. ca. 1100

Spouse: Rothride Dammartin, b. ca. 1105

Married.

Children:

• Alberic I, Count of Dammartin, b. ca. 1130, m. Clemence Bar-le-Duc, d. 1183

Mathieu II Montmorency, b. in France, d. 1230

Father: Bouchard IV de Montmorency

Children:

• Maud de Montmorency, b. ca. 1165 in Montmorencey, France, m. Alberic II de Dammartin
• Mathieu III de Montmorency, b. ca. 1170

Bouchard IV de Montmorency

Children:

• Mathieu II Montmorency, b. in France, d. 1230

Ancestor families report created by Gene 4.3.4, Sat, Jan 3, 2004