See also

Boudewijn VAN VLAANDEREN's other family: with Mathilde VON SACHSEN (940-1008)
Boudewijn VAN VLAANDEREN's parents: Arnoul I de Grote VAN VLAANDEREN (888-964) and Adèle DE VERMANDOIS (916-960)
Boudewijn VAN VLAANDEREN's siblings: Elstrude VAN VLAANDEREN (c. 920-c. 972), Hildegard VAN VLAANDEREN (934-990) and Luitgard (Lutgardis) VAN VLAANDEREN (935-964)
Mathilde DE BOURGOGNE's other family: with nn DE GENEVE ( - )
Mathilde DE BOURGOGNE's parents: Conrad I DE BOURGOGNE (925-993) and Mahaud [Mathilde] DE FRANCE (943-982)
Mathilde DE BOURGOGNE's siblings: Berthe DE BOURGOGNE (964-1010) and Gerberge DE BOURGOGNE (965-1018)

Family of Boudewijn III VAN VLAANDEREN and Mathilde DE BOURGOGNE

Husband:
Boudewijn III VAN VLAANDEREN (940-962)
Wife:
Mathilde DE BOURGOGNE (971-1020)
Children:
Berta DE BOURGOGNE (988- )
Marriage:

Husband: Boudewijn III VAN VLAANDEREN

Boudewijn III VAN VLAANDEREN

Name:
Boudewijn III VAN VLAANDEREN
Sex:
Male
Father:
Arnoul I de Grote VAN VLAANDEREN (888-964)
Mother:
Adèle DE VERMANDOIS (916-960)
Birth:
0940
Occupation:
Count of Flanders
Death:
0962 (age 21-22)
Abbey of St. Bertin, Saint-Omer
Burial:
St. Omer

Wife: Mathilde DE BOURGOGNE

Name:
Mathilde DE BOURGOGNE
Sex:
Female
Father:
Conrad I DE BOURGOGNE (925-993)
Mother:
Mahaud [Mathilde] DE FRANCE (943-982)
Birth:
0971
Bourgogne, Marne, Champagne-Ardenne, France
Death:
1020 (age 48-49)
Auxerre, 89024, Yonne, Bourgogne, Frankrijk

Child 1: Berta DE BOURGOGNE

Name:
Berta DE BOURGOGNE
Sex:
Female
Spouse:
Aimon DE GENEVE (985-1016)
Birth:
0988
Death:

Note on Husband: Boudewijn III VAN VLAANDEREN

https://www.geneanet.org/archives/ouvrages?action=detail&livre_id=10170438&page=458&book_type=livre&name=de+BOURGOGNE&with_variantes=0&tk=f8a09ebc8d9c24fe