1840
Robert S. Duncanson, born Fayette, NY 1821-died Detroit, MI 1872, 1850
Robert S. Duncanson, born Fayette, NY 1821-died Detroit, MI 1872, 1840
Robert S. Duncanson, born Fayette, NY 1821-died Detroit, MI 1872, 1860
Robert S. Duncanson, born Fayette, NY 1821-died Detroit, MI 1872, 1820
Robert S. Duncanson, born Fayette, NY 1821-died Detroit, MI 1872, 1870