+———Lewis LAVALLEY
          |
      +———Joseph LAVALLEY (1849 – 1922)
      |   |    
      |   +———Esther MULLIGAN
      |
  +———Frederick Earnest LAVALLEY (8 Oct 1886 Nepean, Ontario, Canada – )
  |   |        
  |   |   +———James GERVIN (1811/2 County Tyrone, Ireland – 27 Nov 1875 Ottawa, Ontario, Canada)
  |   |   |
  |   +———Sarah GERVIN (abt 1850 Ontario, Canada – 1943)
  |       |        
  |       |   +———William WHITEHEAD (abt 1797 Kent, England – 8 Aug 1844 Ottawa, Ontario, Canada)
  |       |   |
  |       +———Elizabeth WHITEHEAD (17 Mar 1824 St. Marylebone, Middlesex, England – 15 Mar 1911 Ottawa, Ontario, Canada)
  |           |    
  |           +———Mary Jane PARKER (abt 1805 Waterford, Ireland – 6 Jun 1888 Ottawa, Ontario, Canada)
  |    
  Roma May LAVALLEY (30 Dec 1913 Ottawa, Ontario, Canada – 22 Oct 1979 Peach Arch Hospital, White Rock, British Columbia, Canada)
  |    
  +———Annie May HOWARD (Jan 1889 Stafford, Ontario, Canada – )