Who married Louis IV (empereur du Saint-Empire)?
Beatrice of Silesia married Louis IV (empereur du Saint-Empire) in .
The marriage ended on .
Margaret II, Countess of Hainaut married Louis IV (empereur du Saint-Empire) on . Louis IV of Bavaria was 41 years old on the wedding day (41 years, 10 months and 17 days).
Louis IV (empereur du Saint-Empire)
Louis III de Bavière (1282 – 1347), élu roi des Romains en 1314 puis couronné empereur des Romains sous le nom de Louis IV, régna de 1328 à 1347. Il s'est fermement opposé à la papauté, notamment à Jean XXII.
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Beatrice of Silesia
Beatrice of Silesia (also known as Beatrice of Świdnica; Polish: Beatrycze świdnicka, German: Beatrix von Schweidnitz ; 1290 – 24 August 1322) 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.
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Louis IV (empereur du Saint-Empire)

Margaret II, Countess of Hainaut
Margaret II of Avesnes (1311 – 23 June 1356) was Countess of Hainaut and Countess of Holland (as Margaret I) from 1345 to 1356. She was Holy Roman Empress and Queen of Germany by marriage to Holy Roman Emperor Louis IV the Bavarian.
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