+———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