Hartog Frank was a son of Salomon Frank and Frederika Sealtiel. He married in 1937 in Amsterdam.
Stadsarchief Amsterdam, archiefkaart Hartog Frank
Circa 1930 Hartog Frank had no permanent residence. Later he was placed in an observation home for young people and in 1933 in the colony 'Landarbeid' in Zorgvlied.
Stadsarchief Amsterdam, Archief van de gemeentelijke sociale dienst, inv. nr. 3458, dossier 62195