But Baldwin was practically never present, and after the invasion and conquest of Namur by Henry V, Count of Luxembourg in 1256, he sold the rights on the County to his cousin Guy, Count of Flanders.
Pero Balduíno case nunca estaba presente, e despois da invasión e conquista de Namur en 1256 polo conde Henrique V de Luxemburgo, vendeu os dereitos ao condado ao seu primo Guy de Dampierre.