Matthew, Count of Boulogne, also known as Matthew of Alsace was the second son of Thierry, Count of Flanders and Sibylla of Anjou. Matthew forcibly abducted the nun Marie de Boulogne, daughter of Stephen, King of England, and constrained her into... Wikipedia
Born: 1137
Died: July 25, 1173 (age 36 years), Normandy, France
Parents: Thierry, Count of Flanders and Sibylla of Anjou
Spouse: Marie I, Countess of Boulogne (m. 1160–1170)
Grandchildren: Matilda II, Countess of Boulogne, Henry II, Duke of Brabant, Matilda of Brabant, Countess of Holland, and more
Great grandchildren: Henry III, Duke of Brabant, Matilda of Brabant, Countess of Artois, William II of Holland, and more