Mrs Ann Mary (Van Horne) Clarkson
Levinus Clarkson Sr., of Potsdam, St. Lawrence County, New York
1765-1845
David Levinus Clarkson, President of the New York Stock Exchange
1807-1887
Mrs Elizabeth (Clarkson) Clarkson
1810-1883
Levinus Clarkson Jr., of "Southwood" Columbia County, New York
1813-1861
Potsdam, New York
