Nancy Hanks' lineage

[maharba]

I agree. Lincoln's Hanks ancestry is baffling and convoluted.
All the books, all the articles new and old, each one saying
something different and "it really is so easy to understand".
Here is what I currently guess may be the case:
Abraham Lincoln's mother was Nancy Hanks 1784-1818.
Born Hampshire County VA (now Mineral Co WVA) d Spencer County IND
Nancy Hanks was the daughter of an UNKNOWN father and Lucy Hanks.
Lucy Hanks was the daughter of Joseph Hanks and Ann Lee.
Lucy Hanks married next Henry Sparrow Mercer County KY 1791.
Henry Sparrow was not the grandfather of Abraham Lincoln.
A man named Mr. Shipley was not the grandfather of Lincoln.
What man then was the maternal grandfather of Abraham Lincoln?
Did Lincoln positively know, did William Herndon know?