See also

Stephaan DE BLOIS's parents: Stefanus II DE BLOIS (1045-1102) and Adela OF ENGLAND VAN NORMANDIE (1062-1138)
Mahaut DE BOULOGNE's parents: Eustache III DE BOULOGNE (1058-1125) and Mary OF SCOTLAND (1084-1116)

Family of Stephaan DE BLOIS and Mahaut DE BOULOGNE

Husband:
Stephaan DE BLOIS (1095-1154)
Wife:
Mahaut DE BOULOGNE (1104-1152)
Children:
Eustice DE BOULOGNE-CHAMPAGNE (1120-1153)
Marie DE BLOIS (1131-1182)
Marriage:

Husband: Stephaan DE BLOIS

Stephaan DE BLOIS

Name:
Stephaan DE BLOIS
Sex:
Male
Father:
Stefanus II DE BLOIS (1045-1102)
Mother:
Adela OF ENGLAND VAN NORMANDIE (1062-1138)
Birth:
1095
Blois, Loir-et-Cher, Centre-Val de Loire, France
Death:
1 Nov 1154 (age 58-59)
Dover Castle, Kent, England
Burial:
Faversham, Kent, England

Wife: Mahaut DE BOULOGNE

Mahaut DE BOULOGNE

Name:
Mahaut DE BOULOGNE
Sex:
Female
Father:
Eustache III DE BOULOGNE (1058-1125)
Mother:
Mary OF SCOTLAND (1084-1116)
Birth:
1104
Boulogne, 85030, Vendée, Pays de la Loire, Frankrijk
Occupation:
Comtesse, de Boulogne, de Lens
Death:
10 May 1152 (age 47-48)
Hedingham, Engeland

Child 1: Eustice DE BOULOGNE-CHAMPAGNE

Spouse: Constance DE FRANCE

Name:
Eustice DE BOULOGNE-CHAMPAGNE
Sex:
Male
Spouse:
Constance DE FRANCE (1124-1177)
Birth:
1120
Death:
17 Aug 1153 (age 32-33)
Bury St Edmunds, 2552, Suffolk, England, Verenigd Koninkrijk

Child 2: Marie DE BLOIS

Daughter: Marie DE BLOIS

Spouse: Matthias D'ALSACE

Name:
Marie DE BLOIS¹
Sex:
Female
Spouse:
Matthias D'ALSACE (1137-1173)
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

Sources

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