Abraham de Boer, a son of Hartog de Boer and Mietje Bosboom, married 6 May 1936 in Amsterdam to Anna de Jong, a daughter of Emanuel de Jong en Dina Deen.
Abraham had another sister Judith who also has been killed during the Holocaust.
City Archive of Amsterdam, archive card of Emanuel de Jong, Hartog de Boer and Abraham de Boer.