I am looking for information on my great grandfather Gustave Fredrick Berger. He was born in Oct of 1867, Milwaukee, Wisconsin.He married Florence Caroline Schlosser in Milwaukee, April 10, 1891. They had a son Alvin Gustave Berger ,Oct 1892, born in Milwaukee. He is listed as a doctor in chicago, Illinois on the 1910 Federal Census. I am looking for any information on either Berger, and family history prior to Gustave.