Looking for Culvers of New York Michigan and Ohio

Searching for the parents of Charles Henry Culver and Hezekiah Culver; both,Charles Henry and Hezekiah were born in Waterloo, Seneca county, NY.

Charles born in 1820; and Hezekiah born in 1823 or 1824.

Charles Henry death certificate shows that his father was "Heziah" or "Hezekiah" Culver; mother was listed as "Nancy".

Charles Henry died in 1901 and is buried in Pinewood Cemetery in Phelps, NY; his wife, Harriet Smith Culver is also buried
in Pinewood Cemetery.

Charles Henry's brother, Hezekiah Culver died in 1875 in Waterloo, NY.; and is buried in Waterloo, NY.

I need to verify Charles Henry's and Hezekiah's parents names.