Hermann Hirsch(3 Aug 1843 - 9 Mar 1901)Sigmund Federer(1853 - 3 Feb 1932)
Charlotte Husserl(1854 - 2 Jul 1917)Mathilde Mendel( - 5 Sep 1912)
m. 6 Jun 1909
b. 27 Jun 1876
d. 18 May 1931, Vienna
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b. 12 Apr 1886, Prague, Czech Republic
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Children