The primatial see was placed at Malines (Mechlin), having under it Antwerp, Hertogenbosch, Roermond, Ghent, Bruges, and Ypres constituting the Flemish province; the second archbishopric was at Cambray, with Tournay, Arras, St Omer, and Namur, - the Walloon province; the third at Utrecht, with Haarlem, Middleburg, Leeuwarden, Groningen and Deventer, - the northern (Dutch) province.
Granvelle was made first archbishop of Malines, and all the odium attaching to the increase of the episcopate was laid at his door, though he was in reality opposed to it.
On the 9th of July William crossed the Rhine, and captured Malines, Termonde and Oudenarde, and was advancing southwards when the news reached him of the massacre of St Bartholomew, which deprived him of the promised aid of Coligny and his army of 12,000 men.
In 1863 he invited loo theologians to meet at Malines and discuss the question which Lamennais and Lacordaire had prematurely raised in France, namely, the attitude that should be assumed by the Roman Catholic Church towards modern ideas.
The addresses delivered in the Catholic congress at Malines were a declaration in the direction of a Liberal solution of the problem of the relations of Church and State.