WB
William Blackwell
1790–1859·Gloucestershire, England
SM
Sarah Morrison
1795–1881·Balls Mills, Lycoming, Pennsylvania, United States
EB
Enoch Blackwell
1825–1904·Blackwell, Tioga, Pennsylvania, United States
SB
Sylvester Blackwell
1866–1938·Blackwell, Tioga, Pennsylvania, United States
IL
Ina Lightfoot
1885–1931·Blackwell, Tioga County, Pennsylvania, USA
WC
Willis Campbell
1891–1974·Blackwell, Morris Township, Tioga, Pennsylvania, United States
Elizabeth Shay
1893–1977·Blackwell, Tioga County, Pennsylvania, USA
WC
Wilma Campbell
1915–1981·Blackwell, Morris Township, Tioga, Pennsylvania, United States
AC
Alleyne Campbell
1930–2004·Blackwell, Morris Township, Tioga, Pennsylvania, United States