Legacy of the Lion
POD:
Richard of Lionheart survives and bears offspring with Berenguela of Navarre which are Richard and Henry, Richard II, Richard the Lionheart's son becomes the heir of the huge Angevin empire and Frederick Barbarossa does not drown and Richard the Lionheart aids the Battle of Muret which ends in victory in 1213 and later on a war of Paris starts in 1213 which results in France being annexed to the Angevin Empire and Philippe Augustus, the Capetian king of France is defeated.