└── Henry Alonzo Blackburn
(28 JAN 1850 New Market, Jefferson County, Tennessee, USA -
      12 JUL 1922 Tampa, Hillsborough County, Florida, USA)
     
Julia Virginia Dickinson (7 DEC 1854 Madison County, Florida, USA -
      1 JUN 1927 Tampa, Hillsborough County, Florida, USA)
           ┌── Nellie May Blackburn
(14 JAN 1876 Suwannee County, Florida, USA -
           │ 27 APR 1952)
           │ +
William Singer Airth (6 SEP 1849 Canada -
           │ 1 JUL 1900 Atlanta, DeKalb County, Georgia, USA)
           ┌── Harry Dickinson Blackburn
(24 JUL 1878 Live Oak, Suwannee County, Florida,
           │ USA - OCT 1961 Dade County, Florida, USA)
           │
Mary V Wharton (DEC 1884 Washington, DC, USA -)
           │      └── William Wharton Blackburn
(3 JUL 1917 Roanoke, Roanoke County,
           │       Virginia, USA - 27 AUG 1995 Johns Island, Charleston County,
           │       South Carolina, USA)
           │       +
Elizabeth Blyth Weston Venning (8 AUG 1919 South Carolina, USA -
           │       21 MAR 2009 Johns Island, Charleston County, South
           │       Carolina, USA)
           ┌── Charles Horace Blackburn
(24 OCT 1880 Live Oak, Suwannee County, Florida,
           │ USA - 15 OCT 1976)
           ┌── Julia Eleanor Blackburn
(28 AUG 1883 Florida, USA -
           │ 22 DEC 1935 Tampa, Hillsborough County, Florida, USA)
           │ +
Claude Thornton Ansley (1 SEP 1879 Union Springs, Bullock County, Alabama,
           │ USA - 14 MAY 1934 Tampa, Hillsborough County, Florida, USA)
           ┌── Frank Talmage Blackburn
(29 JUN 1886 Live Oak, Suwannee County, Florida,
           │ USA - 24 FEB 1962 Savannah, Chatham County, Georgia, USA)
           ┌── Freddie Andrews Blackburn
(1 APR 1889 Live Oak, Suwannee County, Florida,
           │ USA -)
           │
Victoria ?? (ABT 1887 Virginia, USA -)
           ┌── Lottie Plumley Blackburn
(7 OCT 1891 Live Oak, Suwannee County, Florida,
           │ USA -)
           └── Jennie Maude Blackburn
(15 JUL 1894 Lake County, Florida, USA -
            16 JUN 1987 Thomasville, Thomas County, Georgia, USA)
            +
George Roundtree Neel (18 JAN 1883 Thomasville, Thomas County, Georgia,
            USA - 27 NOV 1973 Thomasville, Thomas County, Georgia, USA)