+———Jean-Jacques Gabison  |      Laurence Gabison   |                  |           +———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)  |       |  |   +———Raymond Langelier Langmann (25 Mar 1913 Paris, France – )  |   |   |      |   |   +———Bluma Flore Juda (21 Oct 1884 Kertsch, Ukraine – )  |   |  +———Josiane Langelier Langmann      |          +———Therese Segalis