Have a William b. 1816, son of Robert Peter Percival and Jane ? (possibly Watson) from England and in Howard County, Missouri. Siblings Gadsby b. abt. 1820, Edwin b. 2-5-1824, Carmelia b. abt. 1828, Sydney b. abt. 1829 and Alfred b. January 1832.I am descendant of Edwin.There is a Lynda Becker at (firstname.lastname@example.org ), who is also a descendant of Edwin,who has the most complete research on the Robert Peter Percival family.E-Mail me direct if you want any additional information that I have.