Isaac Haringman was a son of Salomon Haringman and Roosje Fürth. He married 4 June 1936 in Amsterdam to Margaretha Waas, a daughter of Sander Waas en Eva Slap. They had two children who have survived the Holocaust, just as their mother.
City Archive of Amsterdam, archive card of Isaac Haringman .
He was married to Margaretha Waas who survived the war but died in 1948. His two children Salomon and Eva live in Israel with their children and grandchildren.