https://books.google.pl/books?id=FQ1hAAAAcAAJ&pg=PA265&lpg=PA265&dq=wilhelm+z+%C5%82opacina&source=bl&ots=Wz2SfHXLar&sig=ikYFECEJy7QTxNMFcZu
Please, check this book . Wilhelm z Łopacina was ancient of Łopacki, not Łopaciński family .
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