More info found: The 3 brothers were Antoni(Anton) Madsen/born 1848, Andreas(Andrew)W.Madsen/born July 1858, and Hans Andreas Madsen/born 1855. They were born in Buskerud,Norway. Moved to Chicago,Ill. In 1883, Andrew married Ada (Jansdotter ) Danielsson (Beck)married name before. They had the following children: Anna M.,Arthur,Charles W.,Frank M.,Oscar T.,Herbert,John H. and,Andrew W. Madsen.. From there on, we know some of these families. Any info on these families would be greatly appreciated, please feel free to contact, me(Paul) or Tom Madsen, or Rachael Anderson listed on Madsen Page. We still do not have any info on the other 2 brothers Anton and Hans A. Thank you !