+———Unknown Zenker  |      Living Zenker   |          |   +———C. J. Roberts  |   |  +———Jennie Roberts (23 Nov 1914 – )      |                  |       +———Samuel Domer (3 Sep 1818 Sharpsburg, Washington Co, MD – 4 Jul 1898 Mt. Morris, Ogle Co, IL)      |       |      |   +———Franklin Varner Domer (30 Sep 1868 Leaf River, Ogle Co, IL – 6 Jan 1930 Winthrop, IA)      |   |   |              |   |   |   +———William Herman Varner      |   |   |   |      |   |   +———Rachel E. Varner (3 Jan 1829 Fayette Co, OH – 8 Apr 1914)      |   |       |          |   |       +———Cynthia Ann Knox      |   |      +———Mary Eva Domer (26 Jul 1894 – Apr 1966)          |              +———Effie Mae Brooks (15 Jul 1870 Oregon, Ogle Co, IL – 5 Aug 1942 Waterloo, IA)