The Duchy of Pomerania-Schlawe, also known as the Duchy of Sławno, was a feudal duchy with its capital in Sławno, located in Pomerania (in modern northwest Poland). It was formed in 1190, when it separated from the Duchy of Szczecin. In 1238 it was conquered and incorporated into the Duchy of Gdańsk.
History The duchy was formed in 1190 when it separated from Duchy of Szczecin. It was a feudal duchy under the sovereignty of Denmark. The state was located in the Słupsk and Sławno Land in Pomerania and its capital was Sławno.Erich Hoffmann, Die Bedeutung der Schlacht von Bornhöved für die deutsche und skandinavische Geschichte, in: Zeitschrift des Vereins für Lübeckische Geschichte und Altertumskunde, vol. 57. 1977. p. 9-37, here p. 15. Bogislaw III became the ruler of the country.Martin Wehrmann. Genealogy of the Pomeranian ducal house. Verlag Leon Sauniers Buchhandlung, Stettin. 1937, p. 45–46. His existence remain contested, instead being proposed by some historians to be Bogusław I or Bogislaw II.Rymar E., Rodowód książąt pomorskich. Szczecin. Książnica Pomorska. 2005. ISBN 83-87879-50-9, OCLC 69296056. After his death, he was succsided by Ratibor II, whose existence also remains contested. Instead, he is sometimes proposed to be Ratibor of BiałogardaE. Rymar, Rodowód książąt pomorskich, pp. 255-258. or Racibor Bogusławowic.E. Rymar, Rodowód książąt pomorskich, pp. 123-125, 203-209. Between 1236 and 1238, the duchy was conquered and incorporated into the Duchy of Gdańsk.Marek Smoliński, Świętopełk Gdański, czapter 3.2.Eric Christiansen, The Northern Crusades, 2nd ed. Penguin Books. 1997, pp. 105–108. ISBN 0-14-026653-4.
List of rulers Bogislaw III (1190–1223) Note: theorised to be Bogusław I or Bogislaw II Ratibor II (1223–1226/1238) Note: theorised to be Ratibor of Białogarda or Racibor Bogusławowic
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