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Rudolf IV (1 November 1339 – 27 July 1365), also called Rudolf the Founder (German: der Stifter), was a scion of the House of Habsburg who ruled as duke of Austria (self-proclaimed archduke), Styria and Carinthia from 1358, as well as count of Tyrol from 1363 and as the first duke of Carniola from 1364 until his death. After the Habsburgs received nothing from the decree of the Golden Bull in 1356, he gave order to draw up the "Privilegium Maius", a fake document to empower the Austrian rulers.

Rudolf IV (1 November 1339 – 27 July 1365), also called Rudolf the Founder (German: der Stifter), was a scion of the House of Habsburg who ruled as duke of Austria (self-proclaimed archduke), Styria and Carinthia from 1358, as well as count of Tyrol from 1363 and as the first duke of Carniola from 1364 until his death. After the Habsburgs received nothing from the decree of the Golden Bull in 1356, he gave order to draw up the "Privilegium Maius", a fake document to empower the Austrian rulers.

オットー5世（Otto V., 1340年? - 1379年11月15日）は、14世紀のバイエルン公（上バイエルン公）（在位：1347年 - 1351年）、ブランデンブルク選帝侯（オットー7世、在位：1365年 - 1373年）。神聖ローマ皇帝ルートヴィヒ4世とエノー伯、ホラント伯、ゼーラント伯相続人マルガレーテの末子。ルートヴィヒ5世、シュテファン2世の異母弟、ルートヴィヒ6世、ヴィルヘルム1世、アルブレヒト1世の同母弟である。