Count Hildouin III Of Montreuil DE PONTHIEU 
Hildouin III Of Montreuil was born in 0944. Hildouin III Of Montreuil's father was Guillaume I DE PONTHIEU and his mother was Maude DE ST. POL SUR MER DE THEROUANNE. He had three half-brothers named Richard Of Cotentin, Hugh DE CALVACAMP and Ralph. He died at the age of 37 in 0981.General Notes
About 1020 Richard II, Duke of Normandy, places Ralph and hisson Roger, along with others, in charge of the castle ofTillieres to hold it against Odo of Chartres, the Duke'sbrother-in-law, who had revolted. Odo attacked the castle butwas routed and barely escaped with his life.
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