Janusz I of Warsaw

E2247706 UNEXPLORED

Janusz I of Warsaw was a late 14th- and early 15th-century Polish Piast duke known for consolidating and governing the Masovian territories centered on Warsaw.

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All labels observed (1)

Label	Occurrences
Janusz I of Warsaw canonical	2

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Duchy of Masovia → notableRuler → Janusz I of Warsaw ⓘ

Duke of Masovia → hasNotableTitleHolder → Janusz I of Warsaw ⓘ