Gustav Lewin is born on June 20, 1857 in a Jewish family in Stettin. His parents are Salomon Lewin and Henriette born Brock. Gustav studies law and later works at various courts. From 1917 onwards, he held the title of „Geheimer Justizrat“ as a District Court Councillor. On April 1, 1924, at the age of 67, he retires and subsequently begins to work as a lawyer in his own law firm located at Otto-von-Guericke-Straße 35.
Later he lives in Grünberg and marries Leonie Guradze on January 19, 1897 in Breslau. She is born on March 16, 1872 in Breslau and comes from a Jewish family as well. The married couple has two children. On October 19, 1898 her son Heinz Walter Ferdinand is born and their daughter Eva Charlotte Henriette is born on November 28, 1911. 1914 the family moves to Stern-Allee 3 (now Steuben-Allee). Heinz Lewin attends the Magdeburger Domgymnasium, serves as a soldies in the first world war and studies law afterwards.
From the year 1933 on everything changes for the family. Although they belong to the evangelic church now, they are persecuted and harrased by the Nazis. Gustav Lewin has his lawyer’s license revoked. His son is also prohibited from practicing his profession and emigrates to the USA in 1937. The rest of the family moves to Berlin in 1934.
On November 1942, Gustav Lewin chooses to take his own life rather than face deportation to the Theresienstadt concentration camp. His wife Leonie dies in Berlin on January 17, 1942. Eva Lewin moves to Palestine in 1938 or 1938. There she goes by the name Eva Beham. After the end of the war, Heinz Lewin works fort he American military government in Berlin and Stuttgart. In 1956 he becomes an honorary professor of law at the University of Cologne. He passes away there in 1976.