+———Isaac COOK      |  +———William COOK (1846 Ontario, Canada – )  |   |      |   +———Ellen STOCKDALE  |      Elisha COOK (Apr 1888 – Aug 1897)  |          |   +———Aaron Henry DENMARK (1822 Mohawk Valley, New York, USA – 5 Apr 1892 Ottawa, Ontario, Canada)  |   |  +———Almira DENMARK (23 Aug 1855 Ontario, Canada – 27 Dec 1921)      |              |   +———William WHITEHEAD (abt 1797 Kent, England – 8 Aug 1844 Ottawa, Ontario, Canada)      |   |      +———Mary Ann WHITEHEAD (18 Dec 1828 England – 3 May 1911 Ottawa, Ontario, Canada)          |              +———Mary Jane PARKER (abt 1805 Waterford, Ireland – 6 Jun 1888 Ottawa, Ontario, Canada)