The brother of Brandenburg and son of Neuburg had taken possession of Dusseldorf.
The Emperor, informed of this, ordered them forthwith to decamp.

He further summoned all pretenders to the duchies to appear before him, in person or by proxy, to make good their claims.

They refused and appealed for advice and assistance to the States-General.

Barneveld, aware of the intrigues of Spain, who disguised herself in the drapery of the Emperor, recommended that the Estates of Cleve, Julich, Berg, Mark, Ravensberg, and Ravenstein, should be summoned in Dusseldorf.

This was done and a resolution taken to resist any usurpation.
The King of France wrote to the Elector of Cologne, who, by directions of Rome and by means of the Jesuits, had been active in the intrigue, that he would not permit the princes to be disturbed.
The Archduke Leopold suddenly jumped into the chief citadel of the country and published an edict of the Emperor.