Peter von Biron (1724-1800), Duke of Courland and Semigallia, 1781. Creator: KuetnerPeter von Biron (1724-1800), Duke of Courland and Semigallia, 1781. Private Collection
Portrait of Princess Helen Biron von Curland, nee Meshcherskaya (1818-1843), 1830s. Found in the collection of the State History Museum, Moscow
Portrait of Benigna Gottlieb von Biron (1703-1782), Duchess of Courtland. Artist: AnonymousPortrait of Benigna Gottlieb von Biron (1703-1782), Duchess of Courtland. Private Collection
Portrait of Ernst Johann von Biron (1690-1772), Duke of Courland and Semigallia and regent of the Russian Empire. From a private collection
Portrait of Princess Yekaterina Ivanovna Cherkasova (1727-1797), nee Hedvig Elisabeth von Biron, 1781. Found in the collection of the State Tretyakov Gallery, Moscow
Portrait of Peter von Biron (1724-1800), Duke of Courland and Semigallia, 1781. Found in the collection of the Eesti Kunstimuuseum, Tallinn
