Edmund Zwack(9 Jun 1854 - 11 Nov 1923)
Ella Bella Rindskopf(8 Aug 1869 - 7 Jan 1958)
m. 1920, Josefstadt, Vienna
b. 7 Jun 1877, Vienna
d. 17 Mar 1937, Vienna
bur.  
 
 
rel.  
b. 6 Dec 1893, Vienna, Austria
d. 16 Mar 1942, Ghetto Lodz, Poland
bur.  
 
 
rel.  
Children
Fred Gruen(1922 - )