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Female Aleidis Cts de Hainault Click to view Aleidis Cts de Hainault in the family tree

Aleidis was born in 1225 in Netherlands.  Aleidis' father was Floris IV de Holland Ct de Holland and her mother was Mechtild de Brabant.  Her paternal grandparents were Guillaume I de Holland Ct de Holland and Adelheid von Guelders Cts de Geldern; her maternal grandparents were Henri I Duc de Brabant and Ida (Maud) d' Alsace Cts de Boulogne. She had a brother named Guillaume II de Holland.  She died at the age of 59 in 1284 in Valenciennes, Nord, France.


Aleidis' family with Jean de Avesnes Ct de Flanders

‌Aleidis and Jean de Avesnes were married in a religious ceremony in 1246.  They had a son named Jan II de Hainault.

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