+--Duncan CAMERON 
+--John MCDIRMID  (1871-)
|  +--Mary MCDIRMID 
Margaret Geddes MCDIRMID 
|  +--Henry ARNEIL 
+--Catherine ARNEIL  (1873-19 MAY 1907)
   |  +--Robert GEDDES 
   +--Margaret GEDDES 
      +--Catherine HOUSTON  (1840-14 MAY 1921)