Mordko Lejzor Berezniak was born in Slawatycze, Poland, 1925. He was a fur tailor. During the war he was in Belgium. Deported with Transport III from Caserne Dossin (Malines-Mechelen),Camp,Belgium to Auschwitz Birkenau,Extermination Camp,Poland on 15/08/1942. Mordko Lejzor was murdered in the Shoah.