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Male Ct. Robert I of Flandres (Le Frison) Click to view Ct. Robert I of Flandres (Le Frison) in the family tree

Robert I of Flandres, known as Le Frison, was born about 1033 in ,Flandres, Belgium.  Le Frison's father was Ct. Baudouin V of Flandres and his mother was Prcs Adele of France.  His paternal grandparents were Ct. Baudouin IV of Flandres and Otgiva of Luxembourg; his maternal grandparents were King Robert II of France (The pious) and Constance of Toulouse. He had a brother and two sisters, named Baudouin VI of Flandres, Mathildeof Flandres and Mathildeof Flandres.  He was the youngest of the four children. He had a half-sister named Helena of Normandy.  He died on October 3rd, 1093 in , Kassel, Prussia.


Le Frison's family with Gertrudeof Sachsen

‌Le Frison and Gertrudeof Sachsen were married in a religious ceremony in 1063.  They had a daughter named Gertrudeof Flandres.

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