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Casimir I of Kuyavia
Casimir I (c. 1211–1267), son of Konrad I of Masovia, was Duke of Kuyavia. From the 1230s he ruled Kuyavia after receiving it as an appanage from his…
Timeline
- c. 1230–1267Inowrocław · KuyaviaAs son of Konrad I, he received Kuyavia as an appanage from Masovia in the 1230s. Between 1231 and 1240 he jostled with his father, brothers, and other Polish dukes, gradually consolidating control over Kuyavia's towns and taking part in territorial maneuvering toward Masovia and Sandomierz.
Sources
- Casimir I of Kuyavia https://en.wikipedia.org/wiki/Casimir_I_of_Kuyavia
- The New Cambridge Medieval History, Volume 5: c.1198–c.1300 — David Abulafia (ed.) (1999)