+--Peter Laughlin 
      +--John Wilson Laughlin  (29 MAR 1772-17 JAN 1849)
      |  +--Sarah Wilson 
   +--Benjamin Franklin Laughlin  (4 MAR 1806-18 FEB 1888)
   |  |  +--William H. Forsythe 
   |  +--Violette Forsythe  (1775-)
   |     +--Elizabeth Johnson 
+--John Robert Laughlin  (15 JAN 1841-8 AUG 1927)
|  |  +--John Robinson 
|  +--Sarah Robinson  (1 MAR 1809-18 OCT 1898)
|     +--Francis Jett  (1789-)
Sarah Elizabeth Laughlin  (1868-)
+--Elizabeth Ann Randolph  (5 JAN 1843-19 NOV 1904)