Hartog de Jong was a son of Abraham de Jong and Maaike Cohen. He married Esther Wijnschenk in Amsterdam on 17 April 1912, a daughter of Aron Wijnschenk and Leentje Korper.
His siblings, who did not survive the Holocaust too were Marianne, Benjamin, Jacob, Anna, Wolf, Karel, Rosa and Esther. Two brothers have survived the war.
City Archive of Amsterdam, archive card of Maaike Cohen and website www.wiewaswie.nl.
Biography