1  Elias Alexander Mumma (4 Apr 1809 Washington Co, MD – 1885)   +  Susanna Miller (20 Feb 1809 MD – 25 May 1869)      2  Elizabeth Mumma (1839 IL – )      2  Nancy Mumma (1845 – )      2  Thomas F. Mumma (1851 MD – )      2  Lavina Mumma (1835 Washington Co, MD – )      2  Elias Mumma (1844 IL – 22 Apr 1876)         +  Mathilda E. Unknown (1845 – 22 Apr 1876)      2  Unknown Mumma (13 Oct 1837 – )      2  John H. Mumma (Apr 1846 IL – )      2  Ann C. Mumma (10 Jul 1840 Ogle Co, IL – 3 Mar 1909)      2  Susan M. Mumma (28 Jul 1845 IL – 17 Jul 1898 Ogle Co, IL)         +  Nicholas T. Koontz             3  William W. Koontz (22 May 1870 Mt. Morris, Ogle Co, IL – 1940 Mt. Morris, Ogle Co, IL)               +  Sarah A. Domer (10 Jul 1873 Leaf River, Ogle Co, IL – 1940)                  4  Vivian Pauline Koontz                      +  Merle C. McKee       2  David Mumma (1834 MD – )   +  Ellen Fike (1826 – )