The Rabbi's Villa was a symbol of Michael Cahn's social standing. It is large and elegant and was designed to accommodate several tenants, including craftsmen, merchants and bankers who were involved in Fulda society, including the merchant Oskar Nussbaum, who owned a specialist leather goods shop and was politically active in the DDP. His wife Klara campaigned for children from poorer families and chaired the board of trustees of the Israelite kindergarten which moved into the villa in 1927 but had to close again in 1933.

The antiquarian bookshop B, Seligsberg in Bayreuth was founded in 1828. Benedikt ( Benno) Seligsberg was born in Bayreuth on January 20, 1801. His parents were Benjamin Nathan Seligsberg, from 1814 Seliger and his wife Eleonore, née Hamburger from Fürth. Benedikt Seligsberg had four brothers - Nathan Aharon Nate, born 1799 - died 1800, - Elkan, born 1802, - Ludwig Louis, born 1803, - Berman, born 1809 and Samson Schimschon, born 1810.  Benedikt was "always crooked" and could "not learn a trade".

Carl Callmann Brenner was born on January 28, 1870 in Schwetz on the Vistula (Świecie) in Poland. He was married to Paula Nothmann from Neisse. The couple had one son - Walter. From 1911, the family lived as tenants at Thomasiusstra<e 15. From 1903, the trained merchant Carl Brenner ran the clothing fabric wholesale business " Brenner & Nathan " with a business partner in the Nikolai quarter at Poststra<e 28. The company employed around 20 people. In the course of the so-called " Aryanization "  the company was forced to sell in 1937.

The " Villa Adelaide " was named after Adelaide Bamberger, wife of Rabbi Simon Bamberger, who lived in Fischach near Augsburg. The villa itself was built in 1908 in Bad Kissingen by Rabbi Dr. Seckel Bamberger (son of Simon Bamberger) and his wife Nanette, née Bamberger, at Promenadestraße 5c. Children: Seckel Bamberger and his wife Nanette had seven children - Sarah, married name Neuwirth, Kehla, Seligmann Bär, Yiras, married name Adler, Simcha Simon, Moses Löb and Adelaide, married name Jutkowski. Dr. Seckel Bamberger was considered one of the most orthodox and learned rabbis of his time.

In the Münchner Adressbuch 1920, the street directory at Kaufingerstraße 26 contains the " Schuhhaus Romeo G.m.b.H. - In 1922, as part of the violence against Jews in München, Simon Rosenberg, the owner of Münchner Romeo & Neptun Schuh AG, among others, was personally threatened.

The address book of the city of Vienna from 1878 contains the following entry under " Logged companies" : Schnabl Jakob & Co, chem. Producten- u. Cigarettenpapier-Erzeugnisse, Oeff. Ges. Jakob Schnabl and Ignaz Bleier, Auwinkel 5, both sign. -  The chemical product and cigarette paper manufacturer Jacob  Schnabl & Co. was founded in 1859.

The address book of the city of Vienna from 1881 contains the following entry: Mendl & Löwy, Stahlfedernhandlung, Wipplingerstraße 30.

The address book of the city of Berlin from 1875 contains the following entry: Lövinsohn M., Dr. med. Physician, wound specialist and obstetrician, Potsdamer Str. 112.

The Vienna address book from 1874 contains the following entries - Wertheimer Josef, Ritter von, R. d. Franz Josef Ordens und der eisernen Krone III Kl, owner of the Wiener Geschäftsbericht, Präs. der Israelit. Allianz zu Wien and the israel. Ber., chairman of the israel. Kinderbewahranstalt, Vognergasse 8 - Wertheimer Josef, Repräs.des Gremiums der Wiener Kaufmannschaft, Ges. der F.S. Wertheimer & Söhne, K.K. landespriv. Saffian- u, Lederfab., II. Praterstr. 9 - Wertheimer Josef, Rit. V., Oel- u. Naturproductenhandlung, R. d. eis. Kr.