English claims to the French throne English claims to the French throne From the 1340s to the 19th century, excluding two brief intervals in the 1360s and the 1420s, the kings and queens of England (and, later, of Great Britain) also claimed the throne of France. The claim dates from Edward III, who claimed the French throne in 1340 as the sororal nephew of the last direct Capetian, Charles IV. Edward and his heirs fought the Hundred Years' War to enforce this claim, and were briefly successful in the 1420s under Henry V and Henry VI, but the House of Valois, a cadet branch of the
Line of succession to the former throne of the Kingdom of the Two Sicilies the male line from Charles III of Spain, who succeeded to the crowns of Naples and Sicily in 1734, reigning there until his succession to the throne of Spain with the death of his brother, Ferdinand VI of Spain on 10 August 1759. By the treaties of Vienna of 1738 and Naples of 1759 he was obliged to surrender the thrones of Naples and Sicily to preserve the European balance of power, The treaties of Vienna and Naples required that King Charles separate the Spanish crown from the Italian sovereignties by designating Don Charles, his second surviving son (the eldest