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In accordance with the last will and testament of Poland's Duke Bolesław III Wrymouth, Poland was upon his death divided into 4-5 hereditary provinces distributed among his sons, and a royal province of Kraków reserved for the eldest, who was to be High Duke of all Poland. This was known as the fragmentation of Poland.

One of these provinces, Silesia, was granted to Bolesław III's eldest son, Władysław II the Exile, and was subsequently divided among his descendants and successors, until they died out in 1675. They were known as Dukes of Silesia, and territories they ruled were known as Duchies of Silesia.

Contents 1 Duchy of Silesia 2 Duchies of Lower Silesia 2.1 Duchy of Wrocław 2.2 Duchy of Bierutów 2.3 Duchy of Brzeg 2.4 Duchy of Chojnów 2.5 Duchy of Głogów 2.6 Duchy of Jawor 2.7 County of Kłodzko 2.8 Duchy of Korzuchów 2.9 Duchy of Krosno 2.10 Duchy of Legnica 2.11 Duchy of Lubin 2.12 Duchy of Lwówek 2.13 Duchy of Oleśnica 2.14 Duchy of Oława 2.15 Duchy of Ścinawa 2.16 Duchy of Świdnica 2.17 Duchy of Wołów 2.18 Duchy of Ziębice 2.19 Duchy of Żagań 3 Duchies of Upper Silesia 3.1 Duchy of Opole 3.2 Duchy of Bielsko 3.3 Duchy of Bytom 3.4 Duchy of Cieszyn 3.5 Duchy of Gliwice 3.6 Duchy of Głogówek 3.7 Duchy of Karniów 3.8 Duchy of Koźle 3.9 Duchy of Namysłów 3.10 Duchy of Niemodlin 3.11 Eclessiatical Duchy of Nysa 3.12 Duchy of Opawa 3.13 Duchy of Oświęcim 3.14 Duchy of Racibórz 3.15 Duchy of Radziejów 3.16 Duchy of Strzelce 3.17 Duchy of Toszek 3.18 Duchy of Wadowice 3.19 Duchy of Wieluń 3.20 Duchy of Zator

1138-1146 Ladislaus I the Exile exiled by his brothers

1146-1163 Boleslaus IV the Curly brother of Ladislaus I

1163-1177 Boleslaus I the Long, Mieszko I Platonogi and Konrad, sons of Ladislaus I

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1177/1195-1201 Boleslaus I the Long (Bolesław I Wysoki)

1201-1238 Henry I the Bearded (Henryk I Brodaty)

1238-1241 Henry II the Pious (Henryk II Pobożny)

1241-1248 Boleslaus II the Bald (Bolesław II Łysy Rogatka)

1248-1266 Henry III the White (Henryk III Biały)

1248-1270 Władysław of Salzburg

1266/1270-1290 Henry IV the Righteous (Henryk IV Prawy (Probus))

1270-1273 Přemysl II Ottokar of Bohemia (regent)

1290-1296 Henry V the Corpulent (Henryk V Brzuchaty)

1296-1311 Bolesłaus III Rozrzutny

1296-1301 Bolko I Surowy

1301-1302 Henry of Wiebrzno (regent)

1302-1305 Wenceslaus II of Bohemia

1311-1335 Henry VI the Good (Henryk VI Dobry)

1327/1335 Duchy of Wrocław falls to imperial Bohemia.

• George II of Brieg of Liegnitz-Brieg-Wohlau 1523-1586

• Konrad I, Duke of Silesia-Glogau
• 1274-1310 Henry III, Duke of Silesia-Glogau
• 1488-1490 János Corvinus

[ Jan Kroski, Count of Krosno 1656]

• George II of Liegnitz-Brieg-Wohlau 1523-1586
• George Rudolph of Liegnitz died 1653
• George William I of Liegnitz Brieg Wohlau, (George IV William of Legnica) (born 1660, duke 1672 - 1675)
• from 1675 a possession of the House of Habsburg

Term	Incumbent	Notes
Piast Dynasty
1396 to 1419/20	Henry IX of Lubin	partly
1399 to 1400	Ludwik II of Brzeg	partly
1420 to 1431	Ruprecht II of Lubin	partly
1420 to 1423	Wacław of Oława	partly, co-ruler
1420 to 1441	Ludwik III of Lubin	partly, co-ruler
1441 to 1454	Margaret of Opole	partly
1441 to 1453	Jan of Chojnów	partly
1441 to 1452	Henry X of Chojnów	partly
1346/1354 - Partition of the Duchy: Lubin to the Duchy of Głogów (1446), then to the Duchy of Złotoryja (1449) Smaller part to the Duchy of Brzeg, Duchy of Opole, and finally to the Duchy of Złotoryja (1449/1454)

1309-1320/1 — Boleslaw of Olesnica
1309-1366 — Konrad I of Olesnica

• 1366-1403 — Konrad II the Grey
  • 1403-1412/3 — Konrad III the Old
    • 1412/3-1447 — Konrad IV the Older
    • 1412/3-1439 — Konrad V of Kąty
      • 1439-1471 — Konrad IX the Black
      • 1439-1492 — Konrad X the White (younger)
    • 1416-1427 — Konrad VI the Dean
    • 1416-1450 — Konrad VII the White
    • 1416-1446 — Konrad VIII the Young

1492 Duchy of Oleśnica falls to Bohemia.

Term	Incumbent	Notes
Piast Dynasty
1312 to 1341	Bolko II of Ziebice	The first Duke of Ziebice from 1322; Vassal of Bohemia from 1336
1341 to 1358	Nicholas of Ziebice
1358 to 1410	Bolko III of Ziebice	co-ruler
1358 to 1366/85	Henryk II of Ziebice	co-ruler
1358 to ca. 1360	Agnes of Lichtenburg	mother, regent
1410 to 1428	John of Ziębice	co-ruler
1410 to 1420	Henry II of Ziębice	co-ruler
1428 - Duchy of Ziębice falls to Bohemia

• 1304-1310 Henry III, Duke of Silesia-Glogau

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• 1177-1195 Boleslaus the Long (Bolesław Wysoki)
• 1195-1201 Jarosław
• 1201-1202 Henry the Bearded (Henryk I Brodaty)
• 1202-1211 Mieszko I Platonogi (Mieszko I Plątonogi)
• 1211-1230 Kasimir I (Kazimierz I)
• 1230-1246 Mieszko II the Fat (Mieszko II Otyły)
• 1246-1281 Ladislaus I (Władysław I)
• 1281-1313 Bolko I (Bolko I)
• 1313-1316 Boleslaus, Bolko II and Albert (Bolesław, Bolko II, Albert)
• 1316-1356 Bolko II (Bolko II)
• 1356-1367 Ladislaus II and Bolko III (Władysław II and Bolko III)
• 1367-1401 Ladislaus II (Władysław)
• 1401-1437 Bolko IV (Bolko IV)
• 1437-1439 Nicholas I and John I (Mikołaj I, Jan I)
• 1439-1476 Nicholas I (Mikołaj I)
• 1476-1497 John II the Good and Nicholas II (Jan II Dobry, Mikołaj II)
• 1497-1532 John II the Good (Jan II Dobry)
• 1532-1543 possession of Brandenburg
• 1543-1549 George Frederic of Brandenburg (Jerzy Fryderyk Brandenburski)
• 1549-1551 Ferdinand of Austria (Ferdynand Austriacki)
• 1551-1556 Isabelle and Sigismund Zapolya (Izabela and Zygmunt Zapolya)
• 1556-1558 George Frederic of Brandenburg (Jerzy Fryderyk Brandenburski)
• from 1558 possession of the Habsburgs of as kings of Bohemia, sometimes governed by dukes from other dynasties
• 1597-1598 Sigismund Bathory (Zygmunt Batory) - nephew of Polish king
• 1622-1625 Gabriel Bethlen (Gabriel Bethlen)
• 1645-1648 Ladislaus IV Vasa (Władysław IV Waza) - king of Poland-Lithuania
• 1648-1655 Charles Ferdinand Vasa (Karol Ferdynand Waza)
• 1655-1666 John II Casimir Vasa (Jan Kazimierz Waza) - king of Poland-Lithuania
• 1666-1742 possession of the House of Habsburg as kings of Bohemia

Term	Incumbent	Notes
Piast Dynasty
1177/9 to 1211	Mieszko I Plątonogi	The first duke of Bytom
1280/1 to 1312	Casimir of Bytom	The first Ruler of the second Duchy of Bytom, co-ruler from 1303
1303 to 1328	Boleslaus of Toszek	co-ruler
1303 to 1352	Wladislaus of Bytom	co-ruler
1312 to 1316	Siemowit of Bytom	co-ruler
1312 to ca 1345	Jerzy of Bytom	co-ruler
1312 to 1328	Mieszko of Siewierz	co-ruler
1340 to ca 1350	Siemowit of Bytom	second time, co-ruler
1336 to 1342	Casimir of Kozielsk	co-ruler
1342 to 1354/5	Boleslaus of Bytom	co-ruler to ca 1350
1354/5 to 1357	Margaret of Moravia	unofficial, disputable
1354/5 - Partition of the Duchy: Koźle and the northern part to the Duchy of Oleśnica The southern part to the Duchy of Cieszyn

Up to 1290 Cieszyn belonged to the Duchy of Racibórz

• 1290-1314 Mieszko I/III
• 1316-1358 Kasimir I
• 1358-1409 Przemko I Noszak
• 1410-1431 Boleslaw I
• 1431-1440 Waclaw I, Boleslaw II, Wladyslaw and Przemko II
• 1440-1447 Waclaw I and Boleslaw II
• 1447-1452 Boleslaw II
• 1452-1528 Kasimir II
• 1528-1579 Waclaw III Adam the Posthumous
• 1579/1594-1617 Waclaw Adam
• 1617-1625 Frederic William
• 1625-1653 Elisabeth Lucretia

in 1653 Duchy of Cieszyn transferred to the Habsburg domains

Term	Incumbent	Notes
Pist Dynasty
1314/5 to 1321/4	Wladislaus I of Oswiecim	co-regent
1321/4 to 1372	Jan I Scholastyk
1321/4 to 1325	Eufrozyna of Masovia	co-regent (mother)
1372 to 1375/6	Jan II of Oświęcim
1375/6 to 1405	Jan III of Oświęcim
1405 to 1406	Przemyslaw of Oświęcim	Duke of Ścinawa (partly; from 1404), Duke of Toszek (from 1405)

Term	Incumbent	Notes
Piast Dynasty
1173 to 1211	Mieszko I Plątonogi	Duke of Racibórz, Opole and Duke Senior of Poland
1211 to 1230	Kazimierz I	Duke of Racibórz and Opole
1230 to 1246	Mieszko II Otyły	Duke of Racibórz and Opole
1246 to 1281	Władysław I	Duke of Racibórz and Opole
1280 to 1306	Przemysław of Racibórz	Duke of Cieszyn, Oświęcim and Racibórz
1306 to 1336	Leszek of Racibórz	Duke of Racibórz
1306 to 1308	Mieszko I Cieszyński	regent
1336 - The Duchy passed to Dukes of Opava who were from Přemyslid dynasty and were relatives to Dukes of Racibórz.

• Premislav of Tost (1439-1484)

Sovereign Duchess Agnieska Zatorska of Wadowice. Born 1477-Died 1505. Married to Jan Kobierzycki of Tworkow and Kobierzyn, with one male heir. They were the last of the Piast Dynasty to rule Wadowice. Despite the sale of Wadowice to the King of Poland; to insure his armorial protection of the region; Wadowice continued to be torn by wars for another 300 years.

Term	Incumbent	Notes
Piast Dynasty
1433/4 to 1468	Waclaw I of Zator	Duke of Zator from 1445
1468 to 1490	Casimir II of Zator	co-ruler
1468 to 1484/7	Waclaw II of Zator	co-ruler
1468 to 1494	Jan V of Zator	co-ruler, Duke of Wadowice from 1493
1468 to 1493	Wladislaus of Zator	co-ruler, Duke of Wadowice from 1482
1493 to 1503	Agnieszka Zatorska, Married Jan Kobierzycki, Count of Tworkow and Kobierzyn	Sovereign owner of Wadowice per bequest of Duke Wladislaw of Zator
Duchy of Zator became a part of Poland (in 1494) Wadowice became a part of Poland in 1503

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See also:

Guidelines for the spelling of names of Polish rulers

List of Polish rulers

Piast dynasty

Dukes of Masovia

Dukes of Greater Poland

Dukes of Little Poland

Dukes of Cuiavia

Dukes of Sieradz-Łęczyca