The identification of Regina Bodlaender, known from Kaethe Danziger's notes as the wife of Richard Apt, with Freude Regina Bodlaender, known from her birth record in JRI-Poland, is circumstantial, but is supported by the fact that her daughter Kaethe married her nephew Herbert. An entry in the German Federal Archives refers to a Regina Apt née Bodländer with the same date of birth, which further supports this identification.