+———James MONTEITH
  |    
  Lady Margaret MONTEITH (2 Oct 1768 Port Glasgow, Renfrewshire, Scotland – 1838 Ramsey Twp, Lanark, Ontario, Canada)
  |        
  |   +———Robert KERR (bef 1717 – )
  |   |
  +———Katherine KERR (17 Jul 1747 Port Glasgow, Scotland – )
      |        
      |   +———James SINCLAIR
      |   |
      +———Margaret SINCLAIR (bef 1721 Scotland – Scotland)
          |    
          +———Catherine TAYLOR