Louis IV, Elector Palatine Elector Palatine (1424–1449) Parents Mathilde van Savoye Louis III, Elector Palatine Children Philip, Elector Palatine Siblings Mechthild of the Palatinate Ruprecht of the Palatinate Frederick I Margarete von der Pfalz Rupprecht von Bayern Elisabeth of Bavaria Partners Margaret of Savoy, Duchess of Anjou