**William IV de Dampierre
**William IV was born about 1250 in Flanders.  He died in 1312.

 **Alice de Clermont
**Alice was born about 1270 in Clermont, Beauvais, Oise, France.  She died in 1320.

 **Guy V de Richebourg-Flanders
**Guy V was born in 1285 in Richebourg, France.  He died at the age of 60 in April 1345.