On 15 April 1931, shortly before his death, Albert wrote to her, admitting to her his paternity. After this, on 12 May she changed her surname from Schwalb, the name of her foster family, to "zu Schleswig-Holstein".
On 15 April 1931, shortly before his death, Albert confessed to her about being the father. After that, on 12 May she changed her surname from Schwalb, the name of her foster family, to "zu Schleswig-Holstein".