+———Jonathan Strickland (1806 – 24 Jun 1871 Fairbanks, IA)  |      Mary Strickland (Feb 1861 – 21 Jan 1875 Leaf River, Ogle Co, IL)  |              |       +———Philip Iler  |       |  |   +———David Iler (31 Dec 1783 Littlestown, PA – 24 Dec 1870 Leaf River, Ogle Co, IL)  |   |   |      |   |   +———Mary Ann Unknown  |   |  +———Catherine Iler (9 Oct 1825 Sharpsburg, Washington Co, MD – 11 Jun 1883 Ogle Co, IL)      |              |   +———John Absalom Harmon (18 Sep 1759 York Co, PA – 26 Aug 1855)      |   |      +———Mary Ann Harmon (31 Dec 1787 Sharpsburg, Washington Co, MD – 2 Apr 1872 Leaf River, Ogle Co, IL)          |              +———Elizabeth Shryock (28 Jul 1763 MD – 16 Aug 1836)