1  Joseph Mumma (1836 MD – )   +  Rebecca Yates (1838 MD – 8 Jul 1886 Grand Detour, Ogle Co, IL)      2  Charles W. Mumma (1862 IL – )         +  Alice S. Unknown (1866 IL – 30 Apr 1945 Dixon, Lee Co, IL)      2  Lucinda Mumma (1866 IL – )      2  Nellie Mumma (1869 IL – )      2  Carrie Mumma (2 Sep 1874 Grand Detour, Ogle Co, IL – 29 May 1934 Ogle Co, IL)         +  Henry Seyster (1852 Pine Creek Twp, Ogle Co, IL – 1909)            3  Floyd Edward Seyster ( – 27 May 1938)               +  Ruth Sigler (28 May 1908 – 17 Apr 1938)            3  Ruth Seyster                +  Unknown Blanchard             3  Reuben H. Seyster (4 Mar 1901 – 6 Apr 1935)               +  Mildred Unknown             3  Ezra Earl Seyster (22 Jul 1903 – 17 May 1938)               +  Angela McLennon (1907 – 1974)            3  Sadie Rebecca Seyster (10 Dec 1904 Ogle Co, IL – )            3  Rachel Seyster (2 Jul 1907 Ogle Co, IL – 13 Apr 1995 Streamwood, IL)               +  Donald McCarthy (11 Feb 1905 – Apr 1973)      2  Laura Mumma (1879 IL – )      2  Mary E. Mollie Mumma (1859 Grand Detour, Ogle Co, IL – )         +  Charles L. Josely (1856 Grand Detour, Ogle Co, IL – )      2  Ida Mumma (1857 IL – )      2  Leonard Mumma (1879 IL – 27 Nov 1950 Lee Co, IL)         +  Alice A. Unknown (1885 IL – )