+———James GERVIN (1811/2 County Tyrone, Ireland – 27 Nov 1875 Ottawa, Ontario, Canada) | +———Joseph GERVIN (abt 1862 Ottawa, Ontario, Canada – 1953) | | | | +———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) | Maud Elizabeth GERVIN (1891 – ) | +———Elizabeth SMITH (1868 Buckingham, Quebec, Canada – 1946)