Dreux de Mello
Dreux was born in 1221 in Mello, Oise, Pays de France, France.  He died at the age of 31 on September 3rd, 1252 in Mello, Oise, Pays de France, France.

 Helvie de Montbard
Helvie was born in 1225 in Montbard, Côte-d'Or, Bourgogne, France.  She died at the age of 23 in 1248 in Mello, Oise, Pays de France, France.

 Dreux de Mello
Dreux was born in 1243 in Mello, Oise, Pays de France, France.  He died at the age of 67 in 1310 in Mello, Oise, Pays de France, France.