Jacob Hartog Morpurgo has been deported on 4 April 1944, together with his parents, both his sisters and grandmother, with Convoy 24 from Mechelen to Auschwitz, where it has arrived on the 7th of April.
Memoriaal of the Deportation of the Jews from Belgium, pages 34, 35 and 389 by Serge Klarsfeld and Maxime Steinberg.