According to the book, a grandson provided the following information on these 8 children for Benjamin:
Amherst W b.1822 VT (Census has Albert chair maker) Charles Dennis Susan b. 1833 (census has Betsey) m. Fernando Stevens; children - Schuyler and Lovicie Charlotte b. 1841 m Wallace Tracy; dau Etta Abbie m. George Heath; dau. - Gannie and Emma Julette (Juliet in census) m. ___Andrus Rossanah (Roxanna b. 1838, census (most likely the Rosina W, Dow of Enosburg who m. 8 Oct 1867 George W. Doyle of Richford.
I am quoting the author and have no independent information to verify this. Mic, do you have a reliable source for the marriage to James Tracy? I will make a note in my book about this if the book is in error.