Dietrich I Von Ronse Von O
Dietrich I Von Ronse was born about 1044.  Dietrich I Von Ronse is no longer alive.

 Adelendis De Chievres
Adelendis was born about 1042.  Adelendis is no longer alive.

 Johann I Von Cysoing-Peteghem
Johann I was born about 1085.  He died in 1154.