Hilde came to the Netherlands in February 1939: she was a German refugee.
She was not a Zionist and worked in the household department in Wieringen.
Her last address in Germany was: Lutherstr. 40, Berlin W 62
Source: National Archives, 2.04.58, inv 130 and others
Source for more information: http://www.dokin.nl/deceased-children/hilde-hermine-altenberg-born-21-feb-1922