+———Michael Seyster (14 Jan 1798 Washington Co, MD – 5 Jun 1847 Oregon, Ogle Co, IL)          |      +———Simon Seyster      |   |          |   +———Mary Wolfkill (2 Apr 1802 MD – 30 Sep 1869)      |  +———Henry Seyster (1852 Pine Creek Twp, Ogle Co, IL – 1909)  |   |      |   +———Mary Fridley (15 Oct 1826 – 26 May 1881)  |      Reuben H. Seyster (4 Mar 1901 – 6 Apr 1935)  |                      |               +———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)  |   |  +———Carrie Mumma (2 Sep 1874 Grand Detour, Ogle Co, IL – 29 May 1934 Ogle Co, IL)      |              |   +———Charles Yates ( – 1842)      |   |      +———Rebecca Yates (1838 MD – 8 Jul 1886 Grand Detour, Ogle Co, IL)