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

Ancestry

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