 But in 1830, King Ferdinand VII of Spain made his daughter Isabella succeed him, disregarding his brother, Carlos de Borbon, who, at the death of the King of Spain in 1833, became the eldest of the Spanish Bourbon branch by primogeniture and male collaterality.He died in 1855, succeeded by his eldest son Carlos, then at the death of the latter without issue in 1861, his second son, Juan.As the eldest of the Spanish branch of the Bourbons, they became the eldest of the Capetians at the death of the Count of Chambord in 1883.