Gustavus P. Koerner / Sophia Engelmann Koerner

Historical marker location:

23 Public Square, Belleville, Illinois

( Marker is at the intersection of West Main Street and North Illinois Street (Illinois Route 159), on the right when traveling west on West Main Street.)

Marker installed: 2016

1809-1896 / 1815-1888 (respectively). German-American Reformers.