In 1355, Joanna inherited Brabant and Limburg. In order to guarantee the indivisibility of Brabant, Wenceslaus signed the Joyous Entry, but had to fight against his brother-in-law Louis II of Flanders, who asserted his share of the duchy.
Joanna received Brabant and Limburg in 1355. In order to secure Brabant's unity, Wenceslaus agreed to the Joyous Entry, but he had to resist his brother-in-law Louis II of Flanders' claim to a portion of the duchy.