Simon II Dammartin
Simon II was born in 1180 in Normandy, France.  He died at the age of 59 on September 21st, 1239 in Abbeville, France.

 Marie Ponthieu
Marie was born on April 17th, 1199 in Aumail, somme, France.  She died at the age of 51 in 1250 in Abbeville, France.

 Joanne Dammartin
Joanne was born in 1218 in Normandy, France.  She died in Abbeville, France.