Jean III De+ Lille
Jean III De+ was born about 1216 in Lille, Nord, Nord-Pas-de-Calais, France.  He died in 1276.

 Mathilde De+ Bethune
Mathilde De+ was born about 1216 in Mortagne, Pas-de-Calais, Normandy, France.

 Jean IV De+ Lille
Jean IV De+ was born in 1235 in Lille, Nord, Nord-Pas-de-Calais, France.  Jean IV De+ is no longer alive.