Comte Hugh de St. Pol IV
Hugh was born about 1153 in St. Pol, Nord, Nord-Pas-de-Calais, France.

 Yolande of Hainault
Yolande was born about 1153 in Mons, Hainault, Belgium.  She died after November 1202.

 Elizabeth de St. Pol
Elizabeth was born about 1172 in St. Pol, Nord, Nord-Pas-DE-Calais, France.  She died in April 1233.