For 10 points, name this prince, the namesake of a series of 19th century Spanish civil wars.
This person refused to accept a pension in exchange for withdrawing from politics after fleeing to England, which was necessitated by this person's nephew, Michael I, losing the Liberal War. Red berets were characteristic of the armies of this person, which were commanded by the ex-Chilean Rafael Maroto in a war in which they fought under the Red Cross of Burgundy. This person refused to swear a royal oath of allegiance before his uncle died at the end of the Ominous Decade. This person's faction sought to enforce the Salic Law against the (*) Pragmatic Sanction of 1830 and aimed to defend traditional regional rights called fueros. The title "Duke of la Victoria" was given to Baldomero Espartero, the general who defeated this person's forces, by queen Isabella II. The conservative, pro-Catholic principles of this man's supporters were adopted by the Falangists. For 10 points, name this prince, the namesake of a series of 19th century Spanish civil wars.
This person refused to accept a pension in exchange for withdrawing from politics after fleeing to England, which was necessitated by this person's nephew, Michael I, losing the Liberal War.
Infante Carlos [or Carlos V; or Charles V]