House of Este di San Martino

Cadet branch of the House of Este

• Coat of Arms
• 

  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 Borgomanero and Porlezza
  Marquises of San Martino, Lanzo, Santa Cristina and Dronero
  Princes of Holy Roman Empire
  Princes of Modena and Reggio
  Grandees of Spain