Ignaz Kallberg(1845 - 14 Aug 1911)
m. 19 Mar 1899, KarlĂ­n, Praha, Czech Republic
b. 1 Sep 1864, Vienna, Austria
d. 1942
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b. 23 Jul 1874
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Children
Ernst Leo Schwarz(29 Apr 1904 - )
Margarethe Marie Schwarz(23 Dec 1900 - )