The titles of Earl of Kendal and Duke of Kendal have been created several times, generally for people with a connection to the English/British royal family.
The title refers to Kendal, a town in Cumbria.
A cadet branch of the Foix-Candale family, descendant of Jean de Foix-Candale, settled in Spain (dropping the 'de Foix') and later moved to Southern Italy, following Charles III of Spain in the 1734 conquest of the Kingdom of the Two Sicilies, during the War of the Polish Succession: Spain Italy (possible creation) Sources include: