Orisa on Family Tree Circles

I need to find some information about to brothers from Pennsylvania.
The eldest was Jimmy (Jerome or Jeremiah) middle initial C., the other is Abraham C.Kilmer.
They came to MN around 1880 and Jerry became a logger, after loosing his leg started delivering mail by horseback.
Abraham went on to marry Anna Olson, born in Sweden, and came to MN as a child. They had 14 children, one of which was my grandfather Arthur Leslie Walter Kilmer.
Does anyone have to brothers that left together from home?

Abraham Carl Kilmer born abt 1862 PA
died 10/14/1939 Aitkin County, MN


Jerry born abt 1850 PA
died 5/10/1934 Aitkin County, MN

on census records they list mother born in New York and Father in Pennsylvania
Anybody know any information on where these two tie into the PA Kilmers?