Leopold Heinrich Hirsch was born on January 15, 1876 in Ulm.His parents were Moritz Hirsch from Wankheim and Anna Angelica Hirsch,née Moos of Buchau.Leopold Heinrich Hirsch married in 1906 Frida Veile Moos,geb. August 27, 1885, daughter of Adolf Moos from Kappel and Friederike Regina Moos,née Einstein of Buchau.Leopold Heinrich Hirsch and Otto Abraham Hirsch ran the haberdashery shop M. & H.

Here lived until 1942 Jenny Ortenberger, the widow of the veterinarian and slaughterhouse director Dr. Julius Ortenberger, with her children Erich and Asta. The family was deported to Bełżyce. 

The Berlin address book of 1926 contains the following entry: Louis Joachim vorm. N. Mendelsohn, Baumwollwarenfabrik, C2, Heiligegeiststraße 35.

In the address book of the city of Chemnitz from the year 1890 the following entry can be found: Elkan,Gebr. (company), Fabrik aller Arten Strumpfwaren, Geschäftsloc.: Beckerstr.9, Eg. Owner Bernh. Elkan Frankfurt am Main, Heinrich Falk and Jul. Bernh. Elkan here, Proc.: Rich. Isfried Elkan here. - Elkan Jul. Bernh., merchant, co-owner of the company Gebr. Elkan, Beckerstr.9, Eg II - Elkan Rich. Isfried Elkan, Proc. of the company Gebr. Elkan, Beckerstr.9, Eg II.

In the Jüdisches Adressbuch für Gross-Berlin - edition1931/1932 are the following entries - Horwitz Georg, SW 61, Belle-Alliance-Platz 16  -  Fleischer, Dr. Walter, Steglitz, Potsdamer Straße 17.