Ernst Löwenstein was a lawyer who worked at the Oldenburg District Court as well as the Higher Regional Court. He married Else de Boer, who was Protestant, and had with her  two children. With their children Hermann Löwenstein and Anneliese Löwenstein the family emigrated to the USA in 1951.

Alexander Freund, son of Elias Freund, was born in Kempen in the province of Posen on March 30, 1889. From October 1937 to November 1938, he was a teacher at the Jewish elementary school in Oldenburg.

In February 1939, he emigrated with his wife Fanny Freund, née Schragenheim to San Salvador (El Salvador), where he became a rabbi.

Family de Beer (Adolf & Mathilde with Hilda, Erich, Charlotte, Ilse) was very well connected in Oldenburg. Thus, they operated a steam laundry since 1905 and Adolf de Beer founded the Jewish gymnastics club "Schild". Adolf, Charlotte, Mathilde and Hilda additionally maintained memberships in various clubs that continued to intertwine them with society. Ilse was murdered in 1944 in the Ravensbrück concentration camp.

The Goldschmidt family, consisting of the couple Alex (b. 1879) and Toni and their children Bertha (b. 1909), Günther (b. 1913), Eva (b. 1920) and Helmut (b. 1921), lived in Oldenburg from circa 1906 to 1936. Except for Toni and Eva, the individual family members gradually emigrated due to events in Germany. They were able to operate their women's clothing store "Haus der Mode" in Oldenburg until 1934. Four of the family members were murdered in concentration camps.