He was deep in the plottings of Bouillon and Conde and the other malcontents against the Queen-Regent.

These schemes, being entirely personal, the rank growth of the corruption and apparent disintegration of France, were perpetually changing, and could be reduced to no principle.

It was a mere struggle of the great lords of France to wrest places, money, governments, military commands from the Queen-Regent, and frantic attempts on her part to save as much as possible of the general wreck for her lord and master Concini.
It was ridiculous to ascribe any intense desire on the part of the Duc de Bouillon to aid the Protestant cause against Spain at that moment, acting as he was in combination with Conde, whom we have just seen employed by Spain as the chief instrument to effect the destruction of France and the bastardy of the Queen's children.

Nor did the sincere and devout Protestants who had clung to the cause through good and bad report, men like Duplessis-Mornay, for example, and those who usually acted with him, believe in any of these schemes for partitioning France on pretence of saving Protestantism.

But Bouillon, greatest of all French fishermen in troubled waters, was brother-in-law of Prince Maurice of Nassau, and Aerssens instinctively felt that the time had come when he should anchor himself to firm holding ground at home.
The Ambassador had also a personal grievance.