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| Rudolf I "the Stammerer" | |
|---|---|
 The Prince-electors voting for Henry VII: Rudolf on the right, identified by the Palatinate Lion; excerpt from the Chronicle of Henry VII (Balduineum), 1341 | |
| Duke of Upper Bavaria Count Palatine of the Rhine | |
| Reign | 2 February 1294 – 1317 |
| Predecessor | Louis II, Duke of Bavaria |
| Successor | Louis IV, Holy Roman Emperor |
| Born | 4 October 1274 Basel, Prince-Bishopric of Basel |
| Died | 12 August 1319 (aged 44) Kingdom of England(?) |
| Spouse | Mechtild of Nassau |
| Issue |
|
| House | House of Wittelsbach |
| Father | Louis II, Duke of Bavaria |
| Mother | Matilda of Habsburg |
Rudolf I of Bavaria, called "the Stammerer" (German: Rudolf der Stammler; 4 October 1274 – 12 August 1319), a member of the Wittelsbach dynasty, was Duke of Upper Bavaria and Count Palatine of the Rhine from 1294 until 1317.