Duchy of Lubiszewo, since 1252 or 1253 also known as the Duchy of Lubiszewo and Tczew, and the Duchy of Tczew, was a duchy in the Pomerelia centred around the towns of Lubiszewo and Tczew. Its capital was originally Lubiszewo, and since 1252 or 1253, it was moved to Tczew. Its only ruler was duke Sambor II of the Samboride dynasty.Krzysztof Korda: Księstwo lubiszewsko-tczewskie, 2000.
History The state was established between 1227 and 1233, in the partition of the Duchy of Świecie and Lubiszewo, as the vassal of the Duchy of Gdańsk.Labuda Gerard, Mściwoj I, Słownik biograficzny Pomorza Nadwiślańskiego, vol. 3, Gdańsk. 1997.Józef Wójcicki, Dzieje Polski nad Bałtykiem. Warsaw. Książka i Wiedza. 1989, p. 39. It existed until 1236, when it got conquered by the Duchy of Gdańsk during the war between two countries.Marek Smoliński, Świętopełk Gdański, chapter 3.5. It was reestablished in 1239 by Swietopelk II, Duke of Gdańsk, as his vassal, with Sambor II being allowed to return on the throne.Błażej Śliwiński, Sambor II, p. 90-91. It got again incorporated into the Duchy of Gdańsk in 1243. It was re-established in 1251 as the vassal of the State of the Teutonic Order. It existed until 1269, when it got incorporated into the Duchy of Świecie during the civil war in Pomerelia.Gerard Labuda: Zwycięstwo ustroju wczesnofeudalnego na Pomorzu Wschodnim (1120–1310), In: Historia Pomorza, vol. 1: do roku 1466. Poznań, 1972. p. 531.
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Bibliography Gerard Labuda: Zwycięstwo ustroju wczesnofeudalnego na Pomorzu Wschodnim (1120–1310), In: Historia Pomorza, vol. 1: do roku 1466. Poznań, 1972.