A wonderful report by W. James Besemer and Richard Hofferbert 2002 named THE IMMIGRANT BESEMERS; 1891 to 1922 is posted at http://rhofferbert.com/The%Immigrant%20Besemers.pdf. You will learn the relationships of the people you are seeking. It runs 15 pages with pictures included.
Irving & Christina nee Besemer Arent are my husband's grandparents.