Icek-Josef, Shimon Horonczyk and Rywka-Fraidla Horonczyk neé Heller’s eldest son, was born in Lodz, Poland, in 1904. After Rywka died he moved, together with his family, to France in 1926. In 1937 he married Paula-Malka née Borucki. In March of 1939 their only daughter, Francine-Frieda, was born.
Icek-Josef Horonczyk was deported to Beaune-la-Rolande and from there, in June 1942, to Auschwitz where he was murdered. His wife Paula and daughter Francine survived in hiding.