"Gonzercewo bei Bromberg/Provinz Posen/Westpreussen" was the birth place (09.09.1893) of Margarete ("Marga") Siegroth, née Boden (daughter of an East Prussian landowner), a nurse and manager of a small clinic in Berlin, who married Heinrich Himmler in 1928 and became Mrs. Himmler.
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Since 1990 the rural goods have been administered by the John Paul II Catholic University of Lublin (Universitas Catholica Lublinensis Ioannis Pauli II), as legal heirs to the "Potulicka Foundation".