+———John Peter Light                  |              +———Henry Light              |          +———Henry Light          |      +———Martin Light (1788 PA – )      |  +———John O. Light (17 Jul 1812 Lebanon Co, PA – 1901)  |      Martin Light (23 May 1847 Lightsville, Leaf River, Ogle Co, IL – 8 Mar 1941 Lightsville, Leaf River, Ogle Co, IL)  |      +———Catherine Schucker