Jean I De DAMPIERRE MARQUIS OF NAMUR
Jean I De was born in 1267 in Of,Flandres,Belgium.  He died at the age of 63 on January 31st, 1330.

 Marie D'Artois
Marie was born about 1291 in Flanders,Belgium.

 Marie De Namur de Dampierre
Marie De Namur de was born in 1322 in Namur,,Namur,Belgium.  She died before October 29th, 1353.¹