+———Johannes HOOLEY (abt 1680 Switzerland – )
                              |
                          +———Johannes “John” HOOLEY (1710 Switzerland – 3 May 1783 Berks Co, Pennsylvania, USA)
                          |   |    
                          |   +———UNKNOWN
                          |
                      +———David HOOLEY (12 Dec 1754 Berks, Pennsylvania, USA – 1818 Conemaugh Twp, Pennsylvania, USA)
                      |   |    
                      |   +———Veronica Freni MULLER (1710 Switzerland – 19 Feb 1769 Berks, Pennsylvania, USA)
                      |
                  +———John HOLLEY (1786 Somerset, Pennsylvania, USA – 1815 York, Ontario, Canada)
                  |   |    
                  |   +———Catherine GINDLESPERGER (1754 Berks, Pennsylvania, USA – abt 1793 Pennsylvania, USA)
                  |
              +———Adam HOLLEY (abt 1811 Humber, Etobicoke, Ontario, Canada – 16 Jan 1892 Artemesia Twp, Grey Co, Ontario, Canada)
              |   |        
              |   |   +———Joseph John SCHANTZ
              |   |   |
              |   +———Francis Veronica SCHANTZ (22 Jan 1786 Berlin, Pennsylvania, USA – Oct 1869 Peru, Indiana, USA)
              |
          +———John HOLLEY (24 Nov 1833 Albion Twp, Peel Co, ON – 31 Aug 1917 Vandeleur, Ontario, Canada)
          |   |        
          |   |   +———William CHEAVINS (abt 1778 Newark (Notthingham), England – Albion, Ontario, Canada)
          |   |   |
          |   +———Sarah CHEAVINS (1814 New York, USA – abt 1855 Grey Co, Ontario, Canada)
          |       |    
          |       +———Mary (abt 1778 – )
          |
      +———Peter Edgar “Edward” HOLLEY (14 Jul 1873 Vandeleur, Ontario, Canada – 1 May 1930 Toronto, Ontario, Canada)
      |   |        
      |   |   +———Robert HARVEY
      |   |   |
      |   +———Hannah Margaret HARVEY (17 Jul 1838 Ontario, Canada – 31 Mar 1917)
      |       |        
      |       |   +———Benjamin CHRISTNER (13 Sep 1785 Bedford, Pennsylvania, USA – 1 Mar 1854)
      |       |   |
      |       +———Barbara CHRISTNER ( – 27 Dec 1856)
      |           |    
      |           +———Margaret MCKENZIE (abt 1787 Scotland – 2 Oct 1862 Etobicoke, Ontario, Canada)
      |
  +———Frederick HOLLEY (1916 – )
  |   |        
  |   |   +———Jacob NEELY (1840 Ireland – 26 Dec 1922 Toronto, Ontario, Canada)
  |   |   |
  |   +———Margaret Levina “Vina” NEELY (1 Dec 1878 Rocklyn, Ontario, Canada – 1957)
  |       |    
  |       +———Ellen LOUGHHEED (1855 Ontario, Canada – )
  |    
  Allen HOLLEY ( – living)
  |    
  +———Wilhemina SINCLAIR