Ercole III d'Este, Duke of Modena (1727–1803)
Born 1727 CE, died 1803 CE.
Ercole III d'Este (Ercole Rinaldo; 22 November 1727 – 14 October 1803) was Duke of Modena and Reggio from 1780 to 1796, and later of Breisgau (not resident). He was a member of the House of Este.
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