"Beatrice of Silesia (also known as Beatrice of Świdnica; Polish: Beatrycze świdnicka, German: Beatrix von Schweidnitz ; 1290 – 25 August 1320) was a Polish princess member of the House of Piast in the Silesian branch of Jawor-Świdnica and by marriage Duchess of Bavaria and German Queen." - (en.wikipedia.org 11.08.2021)
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