Simon De+ Dammartin
Simon De+ was born about 1195 in Dammartin, Seine-et-Marne, France.  He died on September 21st, 1239 in Abbeville, Somme, France.  He was buried in Valoires, France.

 Marie De+ Belleme
Marie De+ was born on September 17th, 1199 in Aumale, Normandy.  She died at the age of 51 in September 1250 in Normandy.

 Agathe De Dammartin
Agathe De was born about 1218.  She died in 1268.

 Jeanne De+ Dammartin
Jeanne De+ was born about 1220 in Dammartin, France.  She died on March 15th, 1279 in Abbeville, France.

 Philippa De Dammartin
Philippa De was born about 1220 in Aumale, Seine-Maritime, France.  She died in 1271 in Zutphen, Gelderland, Netherlands.

 Marie De Dammartin
Marie De was born about 1222.  She died in 1279.