Isaac Zerkowski
b. ca 1800
Meyer Gruenthal
b. 1828-29
Charlotte Danziger
b. 1828-29
Simon Zerkowski
b. ca 1826 Poland, Greater Poland Voivodeship, Raschkow
d. 25/08/1900 Poland, Schlesien, Beuthen
Rachel Land
b. 1831-32 Poland, Kuyavian-Pomeranian Voivodeship, Danzig
d. 25/04/1889 Poland, Kuyavian-Pomeranian Voivodeship, Danzig
Adolph Gruenthal
b. 05/12/1860 Poland, Schlesien, Pless
Selma Zerkowski
b. 05/05/1872 Poland, Kuyavian-Pomeranian Voivodeship, Danzig
Ernst Max Gruenthal
b. 26/10/1894 Poland, Schlesien, Beuthen
d. 05/01/1972 Switzerland, Bern