Levinus Clarkson Jr., of "Southwood" Columbia County, New York
Levinus Clarkson Sr., of Potsdam, St. Lawrence County, New York
1765-1845
Mrs Ann Mary (Van Horne) Clarkson
1778-1856
Mrs Mary (Livingston) Clarkson, of "Southwood"
1823-1898
Edward L. Clarkson of "Southwood" Columbia County, New York
1850-1928
Robert L. Clarkson of "Midwood" Columbia County, New York
1855-1924
Potsdam, New York
Germantown, New York
