Passage: Louis VIII of France briefly won about half of England over to his side from 1216 to 1217 at the conclusion of the First Barons' War against King John. On marching into London he was openly received by the rebel barons and citizens of London and proclaimed (though not crowned) king at St Paul's cathedral. Many nobles, including Alexander II of Scotland for his English possessions, gathered to give homage to him. However, in signing the Treaty of Lambeth in 1217, Louis conceded that he had never been the legitimate king of England.

Question: How many Louis was he?
VIII