I'll reply to this part of your message here and send and e-mail for the other information that I have.
1- William Dollins, son of Richard, married Jane Alexander, daughter of Hugh Alexander. Evidence in Albemarle records.
What evidence?I think that I recently found evidence that William Dollins, son of Richard Dollins and Elizabeth Mallory, was married to Mary Alexander (who later married William Davis).Ruth Alexander m. Presley Dollins; Jane Alexander m. John Alexander and then Charles Yancey; Mary Alexander m. William Dollins and then William Davis.If anyone is interested in this information, please e-mail me firstname.lastname@example.org. Faye