Wilhelm III Von+ Julich
Wilhelm III Von+ was born about 1198.  He died  due to killed. in 1218 in Damiette.

 Mathilde De+ Limbourg
Mathilde De+ was born before 1203.  She died after 1234.

 Wilhelm IV Von+ Julich
Wilhelm IV Von+ was born before 1219.  He died  due to killed. on March 16th, 1279 in Aachen.