+———Nachmann Langmann (abt 1845 Lubartov, Poland – )      |  +———Mordko Langmann (15 Sep 1884 Lubartov, Poland – 15 Nov 1942 Birkenau, Poland)  |   |      |   +———Frieda Sonnenschein (1860 Lubartov, Poland – 10 Feb 1931 Paris, France)  |      Georges Nathan Langmann (8 Jun 1909 Paris, France – Mar 1943 Auschwitz, Poland)  |      +———Bluma Flore Juda (21 Oct 1884 Kertsch, Ukraine – )