Duke of Sieradz-Łęczyca
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From 1138 to 1228, part of the Duchy of Kraków and Sandomierz, belonging to the high-dukes of Poland.
[edit] Dukes of Sieradz-Łęczyca
- 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 Lęczyca (see below)
- 1294-1297 Władysław I the Elbow-high (Władysław Łokietek)
- 1297-1305 Wenceslaus II of Bohemia (Wacław II Czeski)
After 1305 parts of the united Kingdom of Poland initially as two vassal duchies, later incorporated as Łęczyca Voivodship and Sieradz Voivodship.
[edit] Dukes of Sieradz
- 1233-1234 Boleslaus I of Mazovia (Bolesław I Mazowiecki)
- 1275-1288 Leszek the Black (Leszek Czarny)
- 1288-1294 Władysław I the Elbow-high (Władysław Łokietek )
- 1327-1339 Przemysl of Cuiavia (Przemysł Kujawski)
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.
[edit] Dukes of Łęczyca
- 1233-1234 Konrad of Masovia (Konrad Mazowiecki)
- 1275-1294 Casimir II of Łęczyca (Kazimierz II)
- 1329-1343 Ladislaus of Dobrzyn (Władysław Dobrzyński)
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 Łęczyca Voivodship.
