 Matthieu d' Alsace, Count of Boulogne , Count of Boulogne, son of Count of Flanders Dietrich (Thierry) d' Alsace and Countess of Flanders Sibilla d' Anjou.Born ± 1137 at of, Flanders, Belgium, died 1214, approximately 77 years, buried at St. Judoc, Ponthieu, France Married 1160 (21 or 22 years married) to:  Abbess of Romsey Marie, Countess of Mortain & Boulogne, daughter of Etienne (Stephen), King of England and Countess de Boulogne Mathilde I, Queen of England.Born ± 1137 at of Blois, Loir-et-Cher, France, died 1182 at St. Austrebert, Eure-et-Loir, France, approximately 45 years, buried at St. Austrebert, Eure-et-Loir, France Children: 1. Countess of Dammartin Ida de FlandersBorn ± 1161 at of Boulogne, Pas-de-Calais, France, died 1216, approximately 55 years, buried at Boulogne, Pas-de-Calais, France 2. Maud d' Alsace, Duchess of Brabant , Duchess of BrabantBorn ± 1163 at of Boulogne, Pas-de-Calais, France, died 1211, approximately 48 years | |||
| 2nd marriage Matthieu d' Alsace, Count of Boulogne , Count of Boulogne, son of Count of Flanders Dietrich (Thierry) d' Alsace and Countess of Flanders Sibilla d' Anjou.Married 1171 at of, Flanders, Belgium (42 or 43 years married) to: Eleanor, Countess of Sainte QuientinBorn ± 1139 at of, Flanders, Belgium | |||