+———Andrew W. Slifer (6 Jun 1829 MD – 1896 Mt. Morris, Ogle Co, IL)      |  +———Melvin D. Slifer (13 Aug 1863 Washington Co, MD – )  |   |          |   |   +———Henry Row (1784 Lancaster Co, Pensylvania – 1876 Franklin Co, PA)  |   |   |  |   +———Maria Ann Row (13 Mar 1836 Washington Co, MD – 16 Sep 1916 Mt. Morris, Ogle Co, IL)  |       |          |       |   +———Joseph Zimmerman  |       |   |  |       +———Sarah Zimmerman (18 Aug 1799 Washington Co, MD – 25 Jun 1852)  |           |      |           +———Anna Hershberger  |      Floyd Slifer (1882 Ogle Co, IL – 1894)  |          |   +———Melvin Peter Spielman  |   |  +———Nettie May Spielman (27 Sep 1866 Washington Co, MD – )      |          +———Mary Elizabeth Newcomer