Hersende de MONTREUIL 
Hersende de was born about 0946 in Montreuil, Artois/ Pas-de-Calais, Normandy, France. Hersende de's father was Hugh de MONTREUIL. Her paternal grandfather was Roger Comte de PONTHIEU. She was an only child. Hersende de is no longer alive.
They had a son named Enguerrand I de.
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Children
Enguerrand I de PONTHIEU
Enguerrand I de was born about 0985 in Montreuil, Artois/ Pas-de-Calais, France. He died about September 20th, 1045 in Ponthieu, Somme, Picardy, France.