Another item of interest for those following the Hon. Nathl & Elizabeth (Watson) Niles of W. Fairlee VT line:
Nathaniel Niles' wife, Eizabeth Watson, was the daughter of Wm & Elizabeth (Marston) Watson. A son of theirs was Rev. Wm. W. Niles (1796-1854). The Rev Wm. W. Niles and his wife Mary W.  had several sons including "Marston." Marston may have been named after his father's grandmother or after his wife's family.
Another of Rev. Wm W. Niles' sons was Hon. Nathaniel Niles, Speaker of the NJ Assembly 1872. Their other son was Wm. W. Niles, Jr.