Maria Fortunata d'Este was a Modenese princess by birth and a princess du sang by marriage. By her marriage to Louis François Joseph de Bourbon, Prince of Conti, her first cousin, she became the Count
Portrait c. 1780
Este in 1768 by Carmontelle
Ercole III d'Este
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Ercole III d'Este was Duke of Modena and Reggio from 1780 to 1796, and later of Breisgau. He was a member of the House of Este.
Portrait by Giuseppe Maria Soli, c. 1793
Ercole III d’Este, Duke of Modena.