Jean I Duke of Brabant
He died on May 3rd, 1294.

 Marguerite I of Flanders
Marguerite I of was born in 1254.

 Duke of Lorraine John II "the Peaceful" Duke of Brabant
John II "the Peaceful" Duke of was born in 1275.  He died at the age of 37 in 1312.

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