Dear Helen,
Do you know were he was born? Was it in Chicago? If so you are missing a brother named Robert and there fathers name was William, mother Dora I dont have alot but would be willing to work with you. My Mother was a Knackstedt and her Mother is still alive. she is in Florida and not far from me. If this is right or you think it might be write me back at
horsenaroundnfl@hotmail.com