Alan IV FERGENT & Hermengarde Countess of BRETAGNE 
They had a son named Conan III 'le Gross' Duke of.
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Personal Details
Hermengarde Countess of BRETAGNE
Hermengarde Countess of was born about 1072 in Bretagne, France. Hermengarde Countess of is no longer alive.
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Children
Conan III 'le Gross' Duke of BRETAGNE
Conan III 'le Gross' Duke of was born in 1096 in Bretagne, France. He died at the age of 52 on September 17th, 1148.