Illinois:  History of Cass County, Illinois, ed. William 
Henry Perrin. O. L. Baskin & Co. Historical Publishers, 
Chicago, 1882. Cass County.

DAVID DUPES, Farmer; P. O. Bluff Springs; is a native of 
Pennsylvania, born April 29, 1813; son of John and 
Elizabett (Ralvant) Dupes.  John Dupes was born in
Pennsylvania, in l785, and died in 1851; his wife was born 
in 1800, and died in 1866; they had twelve children, David 
being the fifth child; four are deceased.  David received 
his education in his native State, and begun life as a 
farmer, and has since pursued that occupation. In Schuyler 
County, Ill., in 1843, he married Kate Neithamer, born in 
Dec., 1828, daughter of William and Elizabeth Neithamer, 
and from this union eleven children have been born, 
Christian, Mary E., John D., Jesse, Daniel, David, 
Valentine, George, Kate, Harriet, and one deceased, 
unnamed. Mr. Dupes is a Democrat; he was school director 
three terms.

Dupes Ralvant Neithamer
=
PA Schuyler-IL