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Casimir IV, Duke of Pomerania

From Wikipedia, the free encyclopedia

Casimir IV, Duke of Pomerania
Kaźko IV Słupski seal 1373.PNG
Seal of Casimir, reading "Kasimir, Dei Gra(tia) Dux Stetinensis, Dobrin, Pomoranie, Slavie, Casubie, Pr(inceps) in Rugie"
Died(1377-01-02)2 January 1377
Noble familyHouse of Griffins
Spouse(s)Kenna of Lithuania
Margaret of Masovia
FatherBogislaw V, Duke of Pomerania
MotherElizabeth of Poland

Casimir IV (Polish: Kazimierz IV or Kaźko Słupski,[1] German: Kasimir IV[2] or Kasimir V[3] ) (1351 – 2 January 1377) was a duke of Pomerania in Pomerania-Stolp since 1374.


Casimir was the son of Bogislaw V, Duke of Pomerania and Elizabeth of Poland.[1] His maternal grandfather Casimir III the Great, the last king of Poland from the Piast dynasty, had no sons and brought him up at his court. After his grandfather's death in 1370, young Casimir initially became his partial successor, as the last will gave him lands of Dobrzyń, Bydgoszcz, Kruszwica, Złotów and Wałcz as fiefs. Yet, his ambitions were soon thwarted by Louis I of Hungary, who became the next king of Poland on the grounds of earlier pacts, and nullified the Piast's last will. Duke Casimir only held the land of Dobrzyń as a temporary fief.[4]

In 1360, Casimir married his first wife Kenna of Lithuania.[5] She was the daughter of Algirdas and Uliana Alexandrovna of Tver,[5] raised in the Eastern Orthodox faith. With her marriage, she joined the Roman Catholic Church and was baptised again under the name "Johanna". She died on 27 April 1368, leaving no children.[5]

After a year, Casimir IV married his second wife Margaret of Masovia. She was the daughter of Siemowit III of Masovia and his first wife Euphemia of Opava. They had no children. After Casimir’s death of wounds (received in fighting Władysław the White on behalf of King Louis), she married Henry VII, Duke of Lubin and Brzeg.

Although after the death of his father Bogislaw V in 1374 Casimir IV stayed several times in Pomerania-Stolp, most of the time he spent in Bydgoszcz; with his death in 1377 his fiefs fell back to Poland.[6]


See also


  1. ^ a b Lerski 1996, p. 250.
  2. ^ Boockman 1992, p. 132.
  3. ^ Wehrmann 1904, p. 168.
  4. ^ Buchholz 1999, p. 154-158.
  5. ^ a b c Rowell 1994, p. 6.
  6. ^ Braning 1987, p. 19.


  • Braning, Hans (1987). Geschichte Pommerns (in German). Vol. I. Böhlau.CS1 maint: ref=harv (link)
  • Buchholz, Werner (1999). Pommern (in German). Siedler.CS1 maint: ref=harv (link)
  • Hartmut, Boockmann (1992). Die Anfänge der ständischen Vertretungen in Preussen und seinen Nachbarländern (in German). Oldenbourg Wissenschaftsverlag.CS1 maint: ref=harv (link)
  • Lerski, George J. (1996). "Kazimierz IV". Historical Dictionary of Poland, 966-1945. ABC-CLIO.CS1 maint: ref=harv (link)
  • Rowell, Stephen Christopher (1994). Lithuania Ascending: A Pagan Empire Within East-Central Europe, 1295-1345. Cambridge University Press.CS1 maint: ref=harv (link)
  • Wehrmann, Martin (1904). Geschichte von Pommern (in German). Verlag Friedrich Andreas Perthes.CS1 maint: ref=harv (link)

External links

Casimir IV, Duke of Pomerania
Born: 1351 Died: 2 January 1377
Preceded by
Bogislaw V
Duke of Pomerania-Stolp
Succeeded by
Wartislaw VII
This page was last edited on 21 May 2020, at 04:05
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