Guillaume II De+ Bethune & Mahaut+ Tenremonde 
They had two sons named Guillaume III (I) De+ and Robert VII De+.
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Personal Details
Guillaume II De+ Bethune
Guillaume II De+ was born about 1158 in Bethune, Pas-de-Calais, Normandy, France. He died in 1213.
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Children
Guillaume III (I) De+ Bethune
Guillaume III (I) De+ was born about 1184 in Meulebeke, Flandre-Ouest, Belgium. He died on August 24th, 1243 in Lokeren, Flandre-Orientale, Belgium.
Robert VII De+ Bethune
Robert VII De+ was born in 1200. He died at the age of 48 in 1248 in Palestine.