 In spite of being supported by the Habsburg king Rudolf I of Germany, who defeated Ottokar II at the Battle on the Marchfeld in 1278, Philip never gained actual power.The duchy was seized by Rudolph and Philip died a year later in 1279.Rudolf, after being elected King of the Romans and defeating King Ottokar II, at first gave Carinthia to Count Meinhard II of Gorizia-Tyrol.