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Örjan Martinsson

Regents of Mazovia and Kuyavia

Today Mazovia and Kuyavia compose the central part of Poland (the capital Warsaw is located in Mazovia). But in medieval time was this region often ruled without much regard to the Polish central power. A pagan uprising c. 1037 meant that Mazovia in practise was independent  for a whole decade. The province's time as self-governing principality began however first with the division of Poland between the heirs of the late prince in 1138. At that time was four hereditary Polish principalities created, which formally lay under the sovereignty of the prince of Krakow. But this overlordship was only theoretical and during the following 400 years was there one or more Mazovian principalities who effectively was outside the Krakow princes' and later the Polish kings' control (they even recognised Bohemia's overlordship instead of Poland's 1329-1351). Just like what had happened in 1138 was Mazovia partitioned several times between sons to former princes. Kuyavia became a principality of its own already in 1186 and its prince restored the Polish kingdom in the year 1320. Mazovia however continued to exist as a self-governing part of Poland until 1526 when the branch of the House of Piast that had ruled Mazovia became extinct, whereupon the province was returned to the Polish king.

Principality of Mazovia

c. 1037-1047
1047-1138
Mieclaw
Part of Poland
1138-1173 Boleslaw Kedzierzawy  
1173-1186 Leszek
1186-1194 Kazimierz Sprawiedliwy  
1194-1200 Helena znojemska (regent)
1194-1198 Leszek Bialy (Kuyavia 1198-1202)  
1194-1247 Konrad I  
1247-1248
1248-1262
1262-1264
1262-1294
1262-1313
Boleslaw I
Siemowit I
Prejeslawa (regent)
Konrad II (only Czersk from 1275)
Boleslaw II (only Plock 1275-94)

Mazovia is 1313 partitioned into Czersk, Plock and Rawa

Principality of Kuyavia
 

1138-1186
1186-1195

Part of Mazovia
Boleslaw Mieszkowic
1195-1198 Mieszko Stary (the Old)  
1198-1200 Part of Mazovia
(1198) -1202 Leszek Bialy (the White)  
1202-1233 Konrad I  
1233-1267 Kazimierz
1267-1288 Leszek Czarny (the Black)  
1267-1299 Wladyslaw Lokietek (the Short)  
1299-1305 Waclaw I (house of Přemysl)  
1305-1306 Waclaw II (house of Přemysl)  
1306- (1333) Wladyslaw Lokietek (restored)  

Kuyavia become a part of the Polish king's domains in 1320


Czersk
 
Plock

Rawa

1310-1341
1341-1349
1341-1374
1374-1381
1381-1471
(1454)-1503
1489

Traidenis I
Kazimierz I
Siemowit III
Siemowit IV
Part of Warsaw
Konrad III
Merged with Mazovia

1313-1336
1336-1351
1351-1370
1370-1374
(1370)-1381
1381-1426
1426-1427
1426-1434
1426-1434
1426-1455
1455-1459
1455-1462
1455-1462
1462
1462-1471
(1462)-1475
1475-1495
1495

Waclaw
Boleslaw III
Part of Polen
Part of Czersk
Siemowit III
Siemowit IV
Traidenis II
Siemowit V
Kazimierz II
Wladyslaw I
Paul Gizycki
Siemowit VI
Wladyslaw II
Paul Gizycki
Part of Warsaw
Kazimierz III
Janusz II
To Poland

1313-1345
1345-1374
(1345)-1381
1381-1434
(1426)-1442
1442-1462
1462

Siemowit II
Part of Czersk
Siemowit III
Part of Plock
Siemowit V
Part of Plock
To Poland


Warszawa
 


Belz
 

1313-1349
(1341)-1355
1355-1374
1374-1429
1429-1436
1429-1454
1454-1462
1454-1471
1454-1471
1454-1471
1454-1488
1489

Part of Czersk
Kazimierz I
Part of Czersk
Janusz I
Anna Holszańska
Boleslaw IV
Paul Gizycki
Konrad III
Kazimierz III
Janusz II
Boleslaw V
Merged with Mazovia

1388-1434
(1426)-1442
1442-1462
1462

Part of Plock
Kazimierz II
Part of Plock
To Poland

Ciechanowski
 

-1471
(1455)-(1495)
1475-1495
1495

Part of Warsaw
Janusz II
Part of Plock
To Poland

Principality of Mazovia

(1454) -1503
1503-1524
1503-1526
1526

Konrad III
Stanislaw
Janusz III
Anna

Mazovia returns to the Polish crown 1526

= Bohemia
= Hungary
= Pomerelia
= Silesia
= Kuyavia
= Great Poland
= Mazovia
= Krakow