Johann I Von Cysoing Von Peteghem
Johann I was born about 1090 in Peteghem, Flanders.  He died in 1154.  He was buried in 1154.

 Petroinille De Avesnes
Petroinille was born about 1090 in Avesnes, France.

 Johann II Von Cysoing Von Peteghem
Johann II was born about 1120.