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Female Agatha Plantagenet Click to view Agatha Plantagenet in the family tree Click to view Agatha Plantagenet in the family tree

Agatha was born about 1064.  Agatha's father was King William I “the Conqueror” Plantagenet, of England and her mother was Matilda of Flanders.  Her paternal grandparents were Robert I of Normandy, 6th Duc de Normandie and Arlette (Herleve) Falaise; her maternal grandparents were Baldwin V ("the Pious") of Flanders and Princess Adele of France. She had four brothers and four sisters, named Robert, Richard, Rufus, Henry, Adeliza, Cecilia, Adela and Constance.  She was the third youngest of the nine children.  She died in 1079.