Looking for Pater Family from Germany

MY GRANDFATHER IMMIGRATED TO AMERICA.HIS NAME WAS BEN PATER BORN IN 1848 IN GERMANY.MARRIED THERESA SHE WAS BORN IN 1853.HE WAS WORKING IN A MILK DEPOT IN LOUISVILLE KENTUCKY IN 1880.THEY HAD THREE CHILDREN. ONE A SON NAMED HENRY. HE MARRIED ESSIE. THEY HAD A SON NAMED HAROLD GLEN PATER.... ANY ONE OUT THERE HAVE ANY INFO ON THE PATERS FROM GERMANY