According to the Chronicon terrae Prussiae of Peter of Dusburg, the now extinct Scalovians inhabited the land of Scalovia south of the Curonians and Samogitians, by the lower Neman River ca.
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This region is located at both sides of the river Memel north of Nadruvians and south of Samogitia.
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In 1411, a campaign of the Samogitians under their leader Rumbaudas Valimantaitis against the castles of Ragnit, Tilsit and Splitter is testified.