Robert I le Frison Count of Flanders 
Robert I le Frison Count of was born in Flanders now Belgium. He died on October 13th, 1093 in Kassel, Germany.
‌Robert I le Frison Count of and Gertrude von were married in a religious ceremony in 1063 in 2nd husband. They had two daughters named Adela of and Gertrude of.
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