Raoul De+ Boulogne & Gisele De+ Luxembourg 
They had two sons named Baudouin I De and Gilbert De+.
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Personal Details
Raoul De+ Boulogne
Raoul De+ was born about 1010 in Gand, Flanders, Belgium. He died in 1047 in Alost, Flanders, Belgium.
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Children
Gilbert De+ Gand
Gilbert De+ was born about 1038 in Alost or Ghent, Flanders/Belgium. He died in 1094 in Folkingham, Bourne, Lincolnshire, England. He was buried in Bardney, Lincolnshire, England.