1251 to Gui de Dampierre (1225-1305) and Mahaut de Béthune (c1220-1264) and died 3 July 1285 of unspecified causes. She married Jan I van Brabant (1253-1294) 1273 JL . Notable ancestors include Charlemagne (747-814), Hugh Capet (c940-996), Alfred the Great (849-899), William I of England (1027-1087), Rurik (c832-879). Ancestors are from France, Germany, the United Kingdom, Belgium, the Netherlands, Russia, Ukraine, Italy.Margaretha van Vlaanderen was born circa
Margaret of Flanders is easily confused with her half-sister Margaret of Flanders.
Common ancestors of Margaretha van Vlaanderen (c1251-1283) and Jan I van Brabant (1253-1294)
- Eudes II de Bourgogne (1118-1162)
- Marie de Champagne (c1130-c1177)
- Sibylla of Anjou (1116-1165)
- Thierry of Flanders (1100-1168)