+--Robert Varner COWAN  (11 NOV 1761-MAY 1833)
Nathan COWAN  (-1844)
|     +--Joseph Sr CAMPBELL  (1720-1790)
|  +--Joseph N CAMPBELL  (1736-26 MAY 1805)
|  |  +--Mary (CAMPBELL)  (1722-)
+--Elizabeth CAMPBELL  (ABT 1774-BEF 1830)
   |  +--Alexander OSBORNE  (4 JUL 1709-11 JUL 1776)
   +--Rebecca "Polly" OSBORNE  (1747-1810)
      +--Agnes MCWHORTER  (1713-1776)