John Isaac De Graff, American congressman, mayor Schenectady. member United States House
Background
Graff, John Isaac De was born on October 2, 1783 in Schenectady, New York, United States.
Career
Engaged in banking</td><tr><td class="label_burgverd11px"><b>Death</b></td></tr><tr><td> Died Schenectady, July 26, 1848.
Membership
Member United States House