Moszek Birenbaum was born in Kozienice, Poland, 1887. He was a merchant and married to Bacia Laja nee Perelstein. During the war he was in Belgium. Deported with Transport XIV from Caserne Dossin (Malines-Mechelen),Camp,Belgium to Auschwitz Birkenau,Extermination Camp,Poland on 24/10/1942. Moszek was murdered in the Shoah.