Ottokar IV, Duke of Styria
Margrave of Styria from 1164 and Duke from 1180, when Styria, previously a margraviate subordinated to the stem duchy of Bavaria, was raised to the status of an independent duchy (1163–1192)
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Margrave of Styria from 1164 and Duke from 1180, when Styria, previously a margraviate subordinated to the stem duchy of Bavaria, was raised to the status of an independent duchy (1163–1192)