Kingdom of Thessalonica
By the 12th century, the Aleramici were one of the most considerable in Piedmont, related to the Capetians and the Hohenstaufen. Members of the family participated frequently in the Crusades, and became kings and queens of Jerusalem. They also married into the Byzantine imperial families of Comnenus, Angelus, and Palaeologus and, as a result of the Fourth Crusade, founded the Latin Kingdom of Thessalonica.