Question: When did Beatrice Of Lorraine's mother die?
Sentence (from "Beatrice of Silesia"): Beatrice of Silesia( also known as Beatrice of Świdnica;,; 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.
Relevant evidence: No