"The countship of St. Pol-sur-Ternoise owed its importance to its position between the countship of Flanders and the lands of the Capetian kings of France. It appears at the beginning of the 11th century bounded by the Aa, the Lys and the Canche. The `castrum' of St. Pol, built c. 1023 near Ternoise, commanded the crossroads... Formerly vassals of the count of Flanders through the count of Boulogne, the Candavenes, who formed the first dynasty of St. Pol (1025-1205), were able
to resist Flemish domination, particularly in the time of Hugh II (1081-1126), relying instead on the Capetians." - Encycl. Brit.,'56,19:853-4. Hugues I Candavenes was a third child; his wife is Clemence___________.