See also

Diederik VAN WASSENBERG's parents: Gerard II VAN WASSENBERG (1010-1082) and Margaretha VAN LOON (1010-1070)
Hedwig DE MONTAIGU's parents: Gozelon DE MONTAIGU (1005-1064) and Ermentrude DE GRANDPRE (1015-1079)

Family of Diederik VAN WASSENBERG and Hedwig DE MONTAIGU

Husband:
Diederik VAN WASSENBERG (1033-1082)
Wife:
Hedwig DE MONTAIGU (1042-1090)
Children:
Gerard I DE LANGE WASSENBERG VAN GELRE (1060-bef1129)
Marriage:

Husband: Diederik VAN WASSENBERG

Name:
Diederik VAN WASSENBERG¹
Sex:
Male
Father:
Gerard II VAN WASSENBERG (1010-1082)
Mother:
Margaretha VAN LOON (1010-1070)
Birth:
1033
Wassenberg, Nordrhein-Westfalen, Deutschland
Death:
19 Oct 1082 (age 48-49)
Bouillon, 6830, Luxembourg, Belgium
Burial:
Saint-Hubert, 6870, Luxembourg, Belgium

Wife: Hedwig DE MONTAIGU

Name:
Hedwig DE MONTAIGU¹
Sex:
Female
Father:
Gozelon DE MONTAIGU (1005-1064)
Mother:
Ermentrude DE GRANDPRE (1015-1079)
Birth:
1042
Death:
1090 (age 47-48)

Child 1: Gerard I DE LANGE WASSENBERG VAN GELRE

Son: Gerard I DE LANGE WASSENBERG VAN GELRE

Spouse: Ermgarde VAN ZUTPHEN

Name:
Gerard I DE LANGE WASSENBERG VAN GELRE
Sex:
Male
Spouse (1):
Sophia VAN LOON (1067-1090)
Spouse (2):
Ermgarde VAN ZUTPHEN ( - )
Birth:
1060
Death:
bef 8 Aug 1129 (age 68-69)

Sources

1.: http://gw.geneanet.org/groijen.