House of Este di San Martino
Cadet branch of the House of Este
- Coat of Arms
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House of Este di San Martino
Lords of San Martino in Rio, Campogalliano, Castellarano, San Cassiano and Rodeglia
Counts of Corteolona -
House of Este di San Martino
Counts of Corteolona
Marquises of San Martino, Lanzo, Borgomanero, Porlezza, Santa Cristina and Dronero
Princes of San Martino
Princes of Modena and Reggio
Grandees of Spain -
House of Este di San Martino
Marquises of San Martino, Lanzo, Borgomanero, Porlezza, Santa Cristina and Dronero
Princes of San Martino
Princes of Modena and Reggio
Arms from ca.1570 after marriage of Filippo I d'Este to Maria di Savoia, illegitimate daughter of Emmanuel Philibert, Duke of Savoy
- Personal Arms
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Sigismondo d'Este
1st Marquis of San Martino in Rio
Younger son of Niccolò III d'Este, Marquis of Ferrara
Progenitor of the branch