+———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)
      |
  +———William HOLLEY (30 Aug 1842 Albion Twp, Peel Co, Ontario, Canada – 9 Dec 1915 Grand Forks, North Dakota, USA)
  |   |        
  |   |   +———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 – )
  |    
  Dr. William Henry Wallace “Wallace” HOLLEY (31 Aug 1890 Minnesota, USA – )
  |        
  |   +———James WALLACE (abt 1828 Scotland – 20 Aug 1912 Ontario, Canada)
  |   |
  +———Margaret WALLACE (Mar 1844 Canada – aft 1 Jun 1930)
      |    
      +———Ciscilia MCLAUGHLIN (abt 1826 Scotland – 17 Jul 1893 Ontario, Canada)