Hercules III, Duke of Modena, facing right in red-lined white uniform with orange facings, black stock with white lace jabot, powdered hair en queue, wearing the jewel of the order of the Golden Fleece, the sash of the Royal Hungarian Order of St. Stephen, and another sash and breast-star

Hercules III Reginald of Este, Duke of Modena, married Princess Maria-Teresa of Cybo-Malaspina, the heiress of Massa and Carrara and was the grandfather of Maria-Ludovica, future Empress of Austria (see lot 64). He participated in the war against Revolutionary France in 1793 and was deposed by Napoleon in 1796 and died in 1803.