Documents and sources about Tristan, whose proper first name was Bartholomew, are scarce. Tristan de Clermont (Italian: Tristano di Chiaromonte) became Count of Cupertino by his wife's dowry.
In 1429 Tristan divided the inheritance between his children. They were:
Raymond de Clermont (Raimondello di Chiaromonte), died on 2 March 1443, leaving his inheritance to his sister Sancia;
Sancia, who married Francesco del Balzo, Duke of Andria[2]
Margherita, who married Antonio Ventimiglia, Marquess of Geraci, Grand Admiral;