|--------
                      |
           |---------
           |          |
           |          |--------
           |
  |------Oliver C. COSBY (1830, Ohio - 1873, Indiana)
  |        |
  |        |          |--------
  |        |          |
  |        |---------
  |                   |
  |                   |--------
  |
Columbus H. COSBY (1859, Indiana - 1903, Indiana)
  |
  |                   |--------
  |                   |
  |        |---------John CHISM ( - 1840)
  |        |          |
  |        |          |--------
  |        |
  |------Mariah Jane CHISM (1837, Indiana - 1876, Indiana)
           |
           |          |--------Obadiah MATTHEWS (1787, TN - 1836, Indiana)
           |          |
           |---------Lucy MATTHEWS (1809, Kentucky - )
                      |
                      |--------Elizabeth ``Betsy'' GOODMAN (1785, Virginia - 1860)
Sources for this individual: Tippecanoe Co., Indiana marriage records, censuses, obit