See also

Matthias D'ALSACE's other family: with Eleanor Countess of SAINTE QUIENTIN (1152-1213)
Matthias D'ALSACE's parents: Thierry D'ALSACE (c. 1099-1168) and Sybille D'ANJOU-PLANTAGENET (1106-1165)
Matthias D'ALSACE's sister: Marguerite D'ALSACE (c. 1140-1194)
Marie DE BLOIS's parents: Stephaan DE BLOIS (1095-1154) and Mahaut DE BOULOGNE (1104-1152)
Marie DE BLOIS's brother: Eustice DE BOULOGNE-CHAMPAGNE (1120-1153)

Family of Matthias D'ALSACE and Marie DE BLOIS

Husband:
Matthias D'ALSACE (1137-1173)
Wife:
Marie DE BLOIS (1131-1182)
Children:
Mathilde D'ALSACE (1161-1211)
Marriage:
1160
Divorce:
1170

Husband: Matthias D'ALSACE

Matthias D'ALSACE

Name:
Matthias D'ALSACE
Sex:
Male
Father:
Thierry D'ALSACE (c. 1099-1168)
Mother:
Sybille D'ANJOU-PLANTAGENET (1106-1165)
Birth:
1137
Title:
Graaf van Boulogne (1160-1173)
Death:
1173 (age 35-36)
Neufchatel-en-Bray, Normandy, France

Wife: Marie DE BLOIS

Marie DE BLOIS

Name:
Marie DE BLOIS¹
Sex:
Female
Father:
Stephaan DE BLOIS (1095-1154)
Mother:
Mahaut DE BOULOGNE (1104-1152)
Birth:
1131
Blois, Loir-et-Cher, Centre-Val de Loire, France
Title:
Gravin van Boulogne en van Mortain
Occupation:
Abdis in de abdij van Romsey
Death:
25 Jul 1182 (age 50-51)
Montreuil

Child 1: Mathilde D'ALSACE

Daughter: Mathilde D'ALSACE

Spouse: Hendrik I VAN BRABANT

Name:
Mathilde D'ALSACE
Sex:
Female
Spouse:
Hendrik I VAN BRABANT (1165-1235)
Birth:
1161
Death:
1211 (age 49-50)
Leuven, 3000, Vlaams-Brabant, Belgium

Sources

1.: https://gw.geneanet.org/ericteddy.