Henderson Philpot 1812 had a son named Henderson Boone Philpot, 1866, whom had a son named Granville Philpot 1896 (named after his Uncle Granville W Philpot 1845). Henderson Philpot 1812 also had a brother named Granville Philpot 1811. I hope this clears up some things.
Here is a link to reference the material - https://ancestors.familysearch.org/en/LKB1-D47/henderson-philpot-18....