I had never seen someone more obliging : he was always ready to please others ; to such an extent that I remember that since he had some knowledge in the veterinary art, all the peasants of the canton came to him when they had sick beasts.

When the war in the Vendée broke out, he was freed by the insurgents at Bressuire, and joined them as commander of their artillery.

He was later proven guilty of other similar exactions against republican prisoners, including some he killed with his own hands.

A war counsel was created which condemned Marigny to death on 25 April 1794 by 22 votes, including those of Charette and Stofflet, against 10.

Marigny hence fought alone against the republican troops, but he fell ill and sought refuge in the château de la Girardière, near Combrand.