Lina Binswanger lived with her husband Alfred Binswanger and their daughters Martha and Elisabeth in Regensburg. They lived on the Danube Island, in a house next to her husband's liqueur factory. Lina Binswanger was awarded the Iron Cross for her work in a communal kitchen in Regensburg during the First World War. After the National Socialists seized power, her husband was arrested. Although he was released, Alfred Binswanger died only a few months later. In 1936, the liqueur factory was ‘arisiert’.
After her husband's death, Lina Binswanger moved to Munich, where she took care of her 14-year-old granddaughter Anneliese Treumann after the early death of her daughter Martha in 1937. They had to leave their flat on Leopoldstraße in 1939 and were housed together with other Jewish women in a flat on Franz-Josef-Straße. As an 18-year-old, Anneliese Treumann was forced to perform hard labour at the Lohhof flax roasting plant from 1941 onwards. She was only allowed to visit her grandmother in Munich on weekends, when she could also meet her boyfriend Hans Ney at the train station.
In April 1942, the Gestapo deported Anneliese Treumann and Hans Ney to the Piaski ghetto in occupied Poland. From there, Anneliese wrote to her grandmother that she and Hans Ney wanted to get married. But soon afterwards, they were separated and Anneliese was made to perform forced labour in the swamps. To this day, it remains unclear how and when Anneliese Treumann was murdered. Her grandmother, Lina Binswanger, had to move several times in Munich before the Gestapo deported her to the Theresienstadt ghetto in June 1942, where Lina Binswanger died in May 1943.