Click on "surnames" and it takes you from there.You will find "Humphrey" and Woodvilles and many many others.I believe all their information is verified and documented.If I remember correctly, I believe they are members of "Owsley Historical Society" which has the Poyntz line documented and verified.
You are right, the Woodvilles are off the John Poyntz line.Nicholas' line ties in with the marriage of John Poyntz b. 8 Dec 1577 and Ann Sydenham b. abt 1577.
I checked with Owsley Historical Society to verify Newdigate Poyntz's lineage that goes through the Woodvilles:
Richard Woodville, 1st Earl Rivers married: Jacquetta of Luxembourg
their son: Sir Anthony Woodville mistress:Gwenillian Stradling
their daughter: Margaret Woodville married:John Poyntz
their son: William Poyntz married:Elizabeth Newdigate
their son: John Poyntz married:Anne Sydenham
their son: Newdigate Poyntz esquire married 1st:Sarah Foxley (8 children) 2nd: Ann Forest (no children) 3rd: Mary Parkyns (children: William Poyntz (Princess Diana's line)
Humphry Poyntzb. 1436d. 10 Oct 1487 Father:Nicholas Poyntz - b. abt 1412, Iron Action, England Mother: Elizabeth Mill - b. abt 1415d 1439, Iron Action, England