+———John NIVEN ( – Montreal, Quebec, Canada)
              |
          +———James NIVEN (Montreal, Quebec, Canada – Dorval, Quebec, Canada)
          |
      +———James John NIVEN (25 Mar 1936 Montreal, Quebec, Canada – )
      |   |    
      |   +———Ruth MCBAIN (Montreal, Quebec, Canada – Dorval, Quebec, Canada)
      |
  +———David James NIVEN (Lachine, Quebec, Canada – living)
  |   |            
  |   |       +———Joseph THYER
  |   |       |
  |   |   +———William Archibald “Bill” THYER (28 Jul 1913 Verdun, Quebec, Canada – 11 Jun 1994 Brossard, Quebec, Canada)
  |   |   |   |    
  |   |   |   +———Mary Anne MCPHERSON
  |   |   |
  |   +———Jean Kathleen THYER (3 Oct 1939 Montreal, Quebec, Canada – )
  |       |        
  |       |   +———William BERRY (Halifax, Nova Scotia, Canada – Montreal, Quebec, Canada)
  |       |   |
  |       +———Lily Kathleen BERRY (20 Jun 1913 Montreal, Quebec, Canada – 30 Apr 1973 Montreal, Quebec, Canada)
  |           |                
  |           |           +———Edward OWENS (1780 Burrisocaine, County Tipperary, Ireland – 23 Mar 1855 Fitzroy, Ontario, Canada)
  |           |           |
  |           |       +———William OWENS (1810 Tipperary, Ireland – 19 Jul 1887 Fitzroy, Ontario, Canada)
  |           |       |   |    
  |           |       |   +———Elizabeth LEDGER (1791 Tipperary, Ireland – 1827 Fitzroy, Ontario, Canada)
  |           |       |
  |           |   +———Richard William OWENS (13 Sep 1852 Fitzroy Twp, Ontario, Canada – 26 Dec 1937 Montreal, Quebec, Canada)
  |           |   |   |    
  |           |   |   +———Mary Ann WILSON (1818/9 Cavan, Ireland – 6 Jul 1897 Fitzroy, Ontario, Canada)
  |           |   |
  |           +———Vern OWENS (13 Apr 1894 Canada – 26 Jul 1968 St. Lambert, Quebec, Canada)
  |               |                
  |               |           +———William (unverified) BOYLE (abt 1770 Ireland – Ireland)
  |               |           |
  |               |       +———Thomas BOYLE (abt 1793 of Ballymodan, County Cork, Ireland – 18 Nov 1846 Pakenham, Ontario, Canada)
  |               |       |   |    
  |               |       |   +———Sophie (unverified) DAVIES
  |               |       |
  |               |   +———William BOYLE (7 Jul 1815 of County Cork, Ireland – 30 Dec 1895 Thornhill, Manitoba, Canada)
  |               |   |   |    
  |               |   |   +———Margaret “Mary” CHECKLEY (abt 1791 of Ireland – 3 Feb 1836 Pakenham, Ontario, Canada)
  |               |   |
  |               +———Elizabeth “Lizzie” BOYLE (5 Nov 1849 Huntley Twp, Ontario, Canada – bet 1921 and 1924 Montreal, Quebec, Canada)
  |                   |    
  |                   +———Elizabeth CURTIS (1819 County Cork, Ireland – 8 Aug 1856 Pakenham, Ontario, Canada)
  |    
  Tina Baggott NIVEN (7 Aug 1985 Greenfield Park, Quebec, Canada – )
  |    
  +———Cheryl Tina BAGGOTT (Greenfield Park, Quebec, Canada – living)