On 3 July 1927, she married Mieczysław Proner, doctor of pharmacy and Warsaw University lecturer. On 14 January 1929, their only daughter Janina was born. They continued their work at the Warsaw University until 1938. When World War II broke out, Mieczysław Proner was mobilized to the army and captured by the Soviets. In the spring of 1940, he was murdered in Kharkov.