+———Henry Hess (1807 Washington Co, MD – 2 May 1843 Ogle Co, IL)  |      Marcus Clinton Hess (Mar 1842 Leaf River, Ogle Co, IL – 13 Mar 1905 Ogle Co, IL)  |          |   +———Peter Grove  |   |  +———Lavinia Grove (14 Sep 1808 VA – 27 Feb 1896 Ogle Co, IL)      |          +———Catherine Ache