Qui es va casar amb Heinrich I. (Brabant)?

Heinrich I., genannt der Mutige (* um 1165; † 5. September 1235 in Köln) war seit 1179 Graf von Brüssel, seit 1183 Herzog von Brabant sowie seit 1190 Graf von Löwen, Markgraf von Antwerpen und Herzog von Niederlothringen. Er war der Sohn von Gottfried III., Graf von Löwen und Brüssel, Landgraf von Brabant, Markgraf von Antwerpen und Herzog von Niederlothringen, und der Margarete von Limburg.

Matilda of Boulogne (1170 – 16 October 1210) was the younger daughter of Matthew, Count of Boulogne, and Marie I, Countess of Boulogne. Matilda became Duchess of Brabant by her marriage to Henry I, Duke of Brabant.

Matilda's parents' marriage was annulled the year she was born and her mother became a Benedictine nun at St. Austrebert, Montreuil and died in 1182. Matilde's father continued to reign as Count of Boulogne until his death in 1173, when her older sister Ida became countess.

Matilda married Henry I, Duke of Brabant, in 1180. The couple went on to have:

• Maria (c. 1190 – May 1260), married in Maastricht after 19 May 1214 Otto IV, Holy Roman Emperor, married July 1220 Count William I of Holland
• Adelaide (b. c. 1190), married 1206 Arnold III, Count of Loos, married 3 February 1225 William X of Auvergne (c. 1195–1247), married before 21 April 1251 Arnold van Wesemaele (d. aft. 1288)
• Margaret (1192–1231), married January 1206 Gerard III, Count of Guelders (d. 22 October 1229)
• Mathilde (c. 1200 – 22 December 1267), married in Aachen in 1212 Henry II, Count Palatine of the Rhine (d. 1214), married on 6 December 1214 Floris IV, Count of Holland
• Henry II of Brabant (1207–1248), married firstly before 22 August 1215 Marie of Hohenstaufen; married secondly in 1240 Sophie of Thuringia
• Godfrey (1209 – 21 January 1254), Lord of Gaesbeek, married Maria van Oudenaarde
• child, whose name and sex is unknown

Matilde died in 1210 or 1211. She was buried at St. Peter's in Leuven.

Maria de França i de Merània (v. 1198 - 1224) fou princesa del Regne de França. Fou la primera filla del tercer matrimoni del rei Felip II de França i Agnès de Merània. Fou germana, per part de pare, del futur rei Lluís VIII de França. Es casà l'1 d'agost de 1206 amb el comte Felip I de Namur. D'aquest matrimoni no tingueren fills. Durant la marxa del seu pare a la Quarta Croada Felip I de Namur es convertí en regent del comtat de Flandes i Hainault. El 24 d'abril de 1213 es casà, en segones núpcies, amb el duc Enric I de Brabant. D'aquest matrimoni nasqueren:

• la princesa Elisabet de Brabant (?-1272), casada el 1233 amb el comte Dietich de Cleves, senpur de Dinslaken, i el 1246 amb Gerard II de Wassenberg
• la princesa Maria de Brabant, morta jove