Who were baby face nelson's parents?

Baby Face Nelson, born Lester Joseph Gillis, was the son of a Polish immigrant father, Joseph Gillis, and a mother of Italian descent, Mary Gillis. His family background was modest, and he grew up in a working-class neighborhood in Chicago. This upbringing influenced his later life choices and criminal activities. Nelson became notorious as a bank robber and associate of prominent gangsters during the Great Depression era.