+———Jacob Henry Mumma (9 Apr 1766 Lancaster Co, Pensylvania – 23 Sep 1848)              |          +———John Mumma (12 Dec 1787 – 25 Nov 1835)          |   |              |   +———Elizabeth Newcomer Hertzler (4 Oct 1764 – 23 Feb 1836)          |      +———William H. Mumma (18 Aug 1815 MD – 22 Mar 1872 Grand Detour, Ogle Co, IL)      |   |          |   +———Elizabeth Susan Shafer (19 Mar 1791 – 1 Aug 1820)      |  +———Joseph Mumma (1836 MD – )  |   |      |   +———Rebecca Pope (13 Jul 1814 MD – 29 Sep 1853 Grand Detour, Ogle Co, IL)  |      Leonard Mumma (1879 IL – 27 Nov 1950 Lee Co, IL)  |          |   +———Charles Yates ( – 1842)  |   |  +———Rebecca Yates (1838 MD – 8 Jul 1886 Grand Detour, Ogle Co, IL)