Guy De Chatillon
Guy De was born before May 1347.  He died on December 22nd, 1397.

 Marie De Dampierre
Marie De was born about 1358.  She died on August 11th, 1412.

 Louis De Chatillon
Louis De was born in 1373.  He died at the age of 18 on July 15th, 1391 in Beaumont, Hainaut.