See also

Eustace DE BOULOGNE's other family: with Mathilde VAN LEUVEN (c. 998-c. 1049)
Eustace DE BOULOGNE's parents: Boudewijn I DE BOULOGNE (980-1033) and Adelheid VAN HOLLAND (990-1052)
Mathilde VAN LEUVEN's other family: with Eustace I DE BOULOGNE (995-1049)
Mathilde VAN LEUVEN's parents: Lambert DE HAINAUT (965-1015) and Gerberga DE BASSE-LORRAINE (c. 971-bef1018)
Mathilde VAN LEUVEN's brother: Lambert II VAN LEUVEN (c. 990-1062)
Mathilde VAN LEUVEN's father (family 2): Lambert DE HAINAUT (965-1015)
Mathilde VAN LEUVEN's brother (family 2): Lambert II VAN LEUVEN (c. 990-1062)

Family of Eustace I DE BOULOGNE and Mathilde VAN LEUVEN

Husband:
Eustace I DE BOULOGNE (995-1049)
Wife:
Mathilde VAN LEUVEN (c. 998-c. 1049)
Children:
Eustace II DE BOULOGNE (1020-1093)
Lambert II COUNT OF LENS (c. 1025-1054)
Marriage:

Husband: Eustace I DE BOULOGNE

Eustace I DE BOULOGNE

Name:
Eustace I DE BOULOGNE
Sex:
Male
Father:
Boudewijn I DE BOULOGNE (980-1033)
Mother:
Adelheid VAN HOLLAND (990-1052)
Birth:
0995
Boulogne, 85030, Vendée, Pays de la Loire, Frankrijk
Death:
1049 (age 53-54)

Wife: Mathilde VAN LEUVEN

Mathilde VAN LEUVEN

Name:
Mathilde VAN LEUVEN
Sex:
Female
Father:
Lambert DE HAINAUT (965-1015)
Mother:
Gerberga DE BASSE-LORRAINE (c. 971-bef1018)
Father (2):
Lambert DE HAINAUT (965-1015)
Birth:
c. 0998
Occupation:
Countess of Boulogne¹
Death:
c. 1049 (age 50-51)

Child 1: Eustace II DE BOULOGNE

Son: Eustace II DE BOULOGNE

Spouse: Ida DE BOULOGNE

Name:
Eustace II DE BOULOGNE
Sex:
Male
Spouse:
Ida DE BOULOGNE (c. 1040-1113)
Birth:
1020
Boulogne, 85030, Vendée, Pays de la Loire, Frankrijk
Death:
1093 (age 72-73)
Boulogne-sur-Mer, Pas-de-Calais, Nord-Pas-de-Calais, France
Burial:
Boulogne-sur-Mer, Pas-de-Calais, Nord-Pas-de-Calais, France

Child 2: Lambert II COUNT OF LENS

Name:
Lambert II COUNT OF LENS
Sex:
Male
Spouse:
Adelheid DE NORMANDIE (c. 1027-c. 1085)
Birth:
c. 1025
Lens
Occupation:
Count of Lens
Death:
1054 (age 28-29)
Phalempin

Sources

1.: Geni.com.