Back اوتو الرابع دوق بافاريا السفلى ARZ Ото IV (Бавария) Bulgarian Otó IV de Wittelsbach Catalan Otto IV. (Bayern) German Όθων Δ΄ της Βαυαρίας Greek Otón IV de Baviera Spanish Othon IV de Bavière French אוטו הרביעי, דוכס בוואריה HE Ottone IV di Baviera Italian オットー4世 (バイエルン公) Japanese

Otto IV, Duke of Lower Bavaria

For the fourth Duke Otto of Bavaria, see Otto II Wittelsbach, Duke of Bavaria.

Otto IV (January 3, 1307 – December 14, 1334 in Munich) was a Duke of Lower Bavaria.

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