"Carlo Felice" was born in Turin as the eleventh child and fifth son born to Victor Amadeus III and Maria Antonia of Spain. From birth he was titled as the Duke of Genoa and the Marquis of Susa from 1796. He was a younger brother of Charles Emmanuel IV and Victor Emmanuel I. He spent his childhood with his sister Maria Carolina, the Count of Moriana, living at the Castle of Moncalieri. He had a very closed character. 