Remember Your Name (1974)

Beginning of WWII Zinaida a Russian woman is taken prisoner by the Germans and sent to Auschwitz concentration camp together with several other women She is imprisoned with her baby son Gena who is learning to walk and takes his first steps in the snow in the concentration camp They spend a few years together in the camp until they are separated first within Auschwitz itself then for good when the Germans are losing the war and decide to evacuate