Beatrice of Silesia 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. Wikipedia
Born: 1290
Died: August 24, 1322 (age 32 years), Munich, Germany
Parents: Bolko I the Strict and Beatrice of Brandenburg
Spouse: Louis IV, Holy Roman Emperor (m. 1308–1322)
Grandchildren: Stephen III, Duke of Bavaria, John II, Duke of Bavaria, Meinhard III, Count of Gorizia-Tyrol, and more