Neufer in Chicago/Illinois/NE Indiana

Looking for information on my husband's grandfather, Irwin A Neufer, born Feb 1, 1902 in Illinois...possibly Chicago. Mother-Anna Grace Hosler. Do not know who father is. Anna married Lawrence Belser and moved to San Francisco and was living there when the 1906 quake hit the Bay area. Irwin supposedly came back to Indiana as a young child and lived with an aunt and/or grandparents. Eventually married Margaret Schoenell in Hillsdale, Mi in Nov 1924.Any information most welcome!