Jean I De Dreux & Marguerite De La Roche 
Jean I De and Marguerite De La were married in a religious ceremony about 1316. They had a son named Etienne Gauvain I De.
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Children
Etienne Gauvain I De Dreux
Etienne Gauvain I De was born in 1330. Etienne Gauvain I De is no longer alive.