ANGE ELISABETH LOUIS ANTOINE BONNIER (1749-1799), French diplomatist, was a member of the Legislative Assembly and of the Convention, where he voted with the majority. During the Directory he was charged with diplomatic missions, first to Lille and then to the congress of Rastadt (October 17 9 7), where the negotiations dragged wearily along and were finally broken. On the 28th of April 1799 the plenipotentiaries on leaving Rastadt were assailed at the gates of the town by Hungarian hussars, probably charged to secure their papers. Bonnier and one of his colleagues, Claude Roberjot, were killed. The other, Jean Debry, was wounded.
See Huefer, Der Rastadtergesandtenmord (Bonn, 1896).