Eisenberger Family Genealogy Forum
Benjamin's father was John, b 1832. mother was Catherine Sourbeer. Children of John and Catherine were Fanny b 1847, Christiann F. b 1852, Elizabeth B. b 1853 and Benjanim b 1854.
Johns father was John b 1806, mother was Frances Shuman b 1810.
The only thing I have found about Martin was that he was a rafter on the Susquehanna in the 1830-1850 period.
Most of the Eisenbergers I am connected with came from the Washington Boro area, about 3-4 miles south of Columbia.