Matilda of Boulogne, Duchess of Brabant
|Matilde of Boulogne|
|Died||16 October 1210|
|Buried||St. Peter's Church, Leuven|
|Noble family||House of Lorraine|
|Spouse(s)||Henry I, Duke of Brabant|
|Father||Matthew, Count of Boulogne|
|Mother||Marie I, Countess of Boulogne|
Matilda of Boulogne, Duchess of Brabant, also known as Matilda of Flanders, (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.
At the age of nine, Matilda married Henry I, Duke of Brabant, in 1179. 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
|Ancestors of Matilda of Boulogne, Duchess of Brabant|
- The Lais of Marie de France. Translated by Burgess, Glyn S.; Busby, Keith. Penguin. 1986.
- Pollock, M.A. (2015). Scotland, England and France after the Loss of Normandy, 1204-1296. The Boydell Press.
- McDougall, Sara (2017). Royal Bastards: The Birth of Illegitimacy, 800-1230. Oxford University Press.