Resident of Settington and the youngest son of his parents. Also a Knight. (Browning, Charles. Americans of royal descent, 7th ed. Baltimore : Genealogical Pub. Co., 1969), pg. 67). There is some uncertainty whether or not Roger is the father of Joan. This casts some doubt on the remainder of the ancestry. See Corrigenda, pg. A in Browning, which nonetheless does lists the ancestry as given here back to Hugh Capet.
A Knight, of Lethingham (WWW site Paul B. McBride's genalogy page (http://www.tiac.net/users/pmcbride/james/f024.htm).
See note under presumed daughter Joan, which substantiates Roger as a grandfather of Joan.