All the sons of Philip the Good survives

Philip the Good of Burgundy had 3 legitime sons but only Charles survived what if the 2 others also
Achieved adulthood would he divide the burgundian lands just like his grandfsther did or would only the oldest Son be the sole heir?
 
A partition of the Burgundian Lands
-The duchy of Burgundy with the Franche Comté Artois and Flanders to the oldest?
-The duchy of Brabant(minus Limburg and Lands of overmaze) with Holland and Hainault Namur to the second?
-The Duchy of Luxemburg with Limburg and Obermaze to the Youngst
 
Top