"Anna of Württemberg (Polish: Anna Wirtemberska; 12 June 1561 in Stuttgart – 7 July 1616 in Chojnów), was a German princess, member of the House of Württemberg, and by her two marriages Duchess of Oława-Wołów and Legnica.
She was the daughter of Christoph, Duke of Württemberg, by his wife Anna Maria of Brandenburg-Ansbach, daughter of George, Margrave of Brandenburg-Ansbach." - (en.wikipedia.org 26.12.2019)