Jean II De Luxembourg Comte De Brienne
Jean II was born in 1370.  He died at the age of 27 on July 2nd, 1397 in Italy.

 Marguerite D'Enghien
Marguerite was born about 1372 in Luxembourg.  Marguerite is no longer alive.

 Pierre De Luxembourg Comte De St. Pol & Brienne
Pierre was born in 1390.  He died at the age of 43 on August 31st, 1433.