Prince Charles Antoine de Ligne, son of Prince Charles Joseph de Ligne, died fighting French revolutionary forces at Croix-au-Bois in the Argonne region on 14 September 1792. He left behind a last will and testament (a copy is held in the Kriegsarchiv in Vienna) that evoked the memory of his small circle of aristocratic Viennese friends called “les Indissolubles.” Each member received a personal legacy, and Charles directed that a “temple of friendship” be established in his rooms at Beloeil featuring portraits of group members and a bust of himself. This poignant document, in combination with Charles's correspondence with close friend and group member Prince Joseph Poniatowski (preserved in the Polish Academy library in Cracow), confirms in striking manner the group's affinity for two popular European trends: Anglophilia and sensibility. Although Charles's will was not published at the time of his death he could assume that, as with any final testament, his statements would become known to, and honored by, a limited “public” of their own.