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Female Gertrude de Dampierre Click to view Gertrude de Dampierre in the family tree

Gertrude de was born about 1229 in <Namur, Flanders, Belgium, Netherlands>.1   Gertrude de's father was Guillaume II de Dampierre and her mother was Marguerite De Flandres.  Her maternal grandparents were Baudouin XI (VI) Hainaut and Marie de Navarre. She had three brothers and two sisters, named Guillaume de, Jean de, Guy de, Jeanne de and Marie de. She had three half-brothers named Baudouin d', Jean I and Baudouin.

1 Isabella D'AVESNES.FTW
Further sources/citations:
"International Genealogical Index™ - Version 5.00" @ Film Number: 447771 ; Reference Number:  65479, "Genealogical Research of Kirk Larson", "Héraldique européenne"

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