Looking for information on Zilpha Horner

Hello, I am looking for information on Zilpha Horner birth about 1765 in New Jersey, death about 1894 in FishCreek, Wetzel County, W. V.. married to Isaac Horner III.
She is supposed to be Native American .
She is my 5th great Grandmother.
Zilpha Horner
Mother of
Eunice Horner (1796-
Mother of
Zelptha Jane Phillips (1826-1889)
Mother of
Elyphet Lambes (1861-1929)
Father of
Lorena May Dies (1885-1956)
Mother of
Margaret Dies (1918-2004)
Mother of
Raymond Hoy(1946-2017) my father
There is alot of discussion on whether Zilpha Horner is Lenape and Cherokee or
One or the other.
I am just trying to find out the truth
Any help would be greatly appreciated
Thank you.