+———Jacob Rowland (1726 – )          |      +———Henry R. Rowland (24 May 1750 Lancaster Co, Pensylvania – 30 Jan 1833 Washington Co, MD)      |   |          |   +———Elizabeth Martin (6 Apr 1727 Germany – )      |  +———Henry Rowland (1781 Lancaster Co, Pensylvania – 18 Mar 1851 Polo, Ogle Co, IL)  |   |      |   +———Mary Shivley  |      Benjamin Franklin Rowland (11 Nov 1827 Cabletown, Jefferson Co, VA – 1 Nov 1888 Polo, Ogle Co, IL)  |      +———Elizabeth Heffelbower