+--John Campbell  (1766-)
   +--John Campbell  (ABT 1801-Sep 1870)
   |  +--Christina   (1769-)
+--Samuel Campbell  (ABT 1832-)
|  |  +--William M Shields  (1770-)
|  +--Margaret Shields  (ABT 1811-Mar 1874)
|     +--Letitia Kellet  (1779-)
Martha Campbell  (1861-1948)
+--Matilda Nightingale  (1838-)