Jean I Duke of Brabant
Jean I Duke of was born about 1252 in Brabant, Lorraine, France.  He died on May 3rd, 1294 in Lowen, Belgium.

 Marguerite Princess of France
Marguerite Princess of was born in 1254 in Paris, Seine, France.

 Marguerite of Brabant
Marguerite of was born on October 4th, 1276 in Brabant, Belgium.  She died at the age of 35 on December 14th, 1311.