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(From Wikipedia, the free Encyclopedia)
From 1138 to 1228, part of the Duchy of Cracow and Sandomierz, belonging to the high-dukes of Poland.
Dukes of Sieradz-Leczyca
after 1305 parts of the united Kingdom of Poland initially as two vassal duhies, later incorporated as Leczyca Voivodship and Sieradz Voivodship.
- 1228-1232 Henry I the Bearded (Henryk I Brodaty)
- 1232-1233 Konrad of Masovia (Konrad Mazowiecki)
- 1234-1247 Konrad of Masovia (Konrad Mazowiecki)
- 1247-1260 Casimir I of Mazovia (Kazimierz I Mazowiecki)
- 1260-1275 Leszek the Black (Leszek Czarny)
- 1275-1294 divided into two duchies of Sieradz and Leczyca (below)
- 1294-1297 Ladislaus III the Short (Władysław Łokietek)
- 1297-1305 Wenceslaus II of Bohemia (Wacław II Czeski)
Dukes of Sieradz
After 1305 part of the united Kingdom of Poland as a vassal duchy, later after 1339 incorporated by the king Casimir III the Great as the Sieradz Voivodship
- 1233-1234 Boluslaus I of Mazovia (Bolesław I Mazowiecki)
- 1275-1288 Leszek the Black (Leszek Czarny)
- 1288-1294 Ladislaus III the Short (Władysław Łokietek )
- 1327-1339 Przemysl of Cuiavia (Przemysł Kujawski)
Dukes of Leczyca
After 1305 part of the united Kingdom of Poland as a vassal duchy, later after 1343 incorporated by the king Casimir III the Great as the Leczyca Voivodship
- 1233-1234 Konrad of Masovia (Konrad Mazowiecki)
- 1275-1294 Casimir II of Leczyca (Kazimierz II)
- 1329-1343 Ladislaus of Dobrzyn (Władysław Dobrzyński)
Source: adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "Dukes of Sieradz-Leczyca."
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Copyright © Philip M. Parker, INSEAD. Terms of Use.