Waldstein may refer to: Waldstein Sonata, a popular name for Beethoven's Piano Sonata No. 21
==People== House of Waldstein, a noble family from Bohemia Albrecht von Wallenstein or von Waldstein (1583–1634), Bohemian military leader and politician, a major figure in the Thirty Years' War Adam von Waldstein (1570–1638), Czech noble, Supreme Burgrave of the Kingdom of Bohemia Count Ferdinand Ernst Gabriel von Waldstein (1762–1823), German noble, patron of Beethoven to whom the sonata is dedicated Franz de Paula Adam von Waldstein (1759–1823), Austrian soldier, explorer and naturalist, older brother of the above Marie-Anne Waldstein (1763–1808), Marchioness of Santa Cruz, Austrian-Spanish aristocrat and painter, sister of Ferdinand and Franz Charles Waldstein (1856–1927), Anglo-American archaeologist and Olympic shooter Felix Waldstein (1862–1943), German politician
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