Guy I Comte de PONTHIEU-MONTREUIL 
Guy I Comte de was born about 1045 in Ponthieu, Somme, Picardy, France. Guy I Comte de's father was Hugues II Comte de PONTHIEU and his mother was Bertha de AUMALE. He was an only child. He died in 1101 in Montreuil, Pas-de-Calais, France.
They had a daughter named Agnes de.
