Pierre I De Courtenay+ Capet & Isabelle De+ Courtenay 
They had two sons and three daughters, named Pierre II De+, Robert I De+, Clemence De, Alix De+ and Eustachie De.
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Personal Details
Pierre I De Courtenay+ Capet
Pierre I De Courtenay+ was born in Reims, Champagne, France. He died in 1183 in Palestine, Israel. He was buried on April 10th, 1183.
Isabelle De+ Courtenay
Isabelle De+ was born about 1128 in Courtenay, Galinois, France. She died on September 14th, 1206.
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Children
Pierre II De+ Courtenay
Pierre II De+ was born about 1167 in Courtenay, Galinois, France. He died in 1217 in Epirus, Turkey.
Eustachie De Courtenay
Eustachie De was born about 1168 in Of, Courtenay, Galinois, France. She died after 1248.