I am seeking relatives or any person who knows of the family of CHARLES GRUNKE. He was an American Serviceman stationed at US Airbase Burtonwood In England during or at the end of WWII. He was probably in his late teens /early twenties then. We think he may have originated in Philadelphia but this is not necessarily so. He is the Biological father of my sister in law and she would dearly love to know if she has other brothers and sisters out there who she has yet to meet.