 Complete the following phrase:  Historian Charles Mullié credits Trelliard with serving under Jean Victor Marie Moreau in the blockade of Mainz. This unsuccessful operation lasted from 20 September to 13 October 1795. However, another source places the 11th Chasseurs in François Séverin Marceau-Desgraviers Division, which was involved in the futile blockade of Ehrenbreitstein Fortress from 15 September to 17 October. He seized some redoubts and 2,000 prisoners during the 