[2] 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.

[3] 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.

[4] The couple went on to have: Matilde died in 1210 or 1211.

She was buried at St. Peter's in Leuven.