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Lubomirska. Gemlde Ursula Katharina von Altenbockum Reichsfrstin von Teschen und Mtresse Augusts des Starken between according to dewp source painting unknown deutschefotothek de Deutsche Fotothek belongs to Schsische Landesbibliothek Staats und Universittsbibliothek Dresden exact source not known But the image can be found