Guillaume De+ Chaumont
Guillaume De+ was born about 1105 in Chaumoist, Oise, France.  He died in 1147.

 Marguerite De+ Gisors
Marguerite De+ was born about 1106 in Gisors, Eure, France.  She died in 1147.

 Idoine De+ Trie
Idoine De+ was born about 1130.

 Enguerrand II De Trie
Enguerrand II De was born about 1140.  He died after 1200.