+———James Potter      |  +———Calvin Andrew Potter (1838 Washington Co, MD – 25 Jun 1888 Mt. Morris, Ogle Co, IL)  |   |      |   +———Rebecca Donaldson  |      Mary J. Potter (1858 Mt. Morris, Ogle Co, IL – Apr 1938)  |      +———Mary E. Householder (1835 Washington Co, MD – )