People in the photo:

All that is known about Karoline Scheuer is that she was deported from Vienna to Theresienstadt together with her mother Jeannette Scheuer and her older sister Ida on transport 40, train Da 513, on September 10, 1942. The Yad Vashem database gives an incorrect year of birth.
https://collections.yadvashem.org/en/names/4943912