^Gassendi, P. and Thill, O., The Life of Copernicus (1473-1543), p. 179; these authors suggest that Georg and his brother, Tiedeman, may have been first cousins to نيكولاس كوبرنيكوس
^Gassendi, P. and Thill, O., The Life of Copernicus (1473-1543), p. 179; Ostdeutsche Familienkunde, [East German Family Studies], Volumes 10-12, Degener & Company, 1962, p. 330; Neue Deutsche Biographie (in German)نسخة محفوظة 9 يوليو 2018 على موقع واي باك مشين.
^Jörn, N., With money and bloode, Böhlau, 2000, p. 427: this source claims that he was the 12th of 13 children.
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