Duke of John III "the Triumphant" Brabant
John III "the Triumphant" was born in 1300.  He died at the age of 55 in 1355.

 Marie D'Evreux
Marie was born about 1303 in Evreux,Eure,France.  She died on October 31st, 1335.

 Marguerite de Brabant
Marguerite was born in 1323.  She died at the age of 45 in 1368.