bn:01876388n
Noun Named Entity
Categories: Dukes of Saxony, 1285 deaths, 1249 births, Dukes of Saxe-Lauenburg, House of Ascania
EN
John I, Duke of Saxony  John I of Saxe-Lauenburg
EN
John I ruled as duke of Saxony from 1260 until 1282. Wikipedia
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