Shimon (Szymon) Horonczyk was born in 1875 in the town of Krzepice, Poland. He married Rywka-Fraidla neé Heller, and the couple had five children. Rywka died in Poland, and in 1926 Shimon moved to Paris with their five children. In February 1943 Shimon Horonczyk was deported to Drancy and from there to Sobibor where he was murdered.