John Badeau is mentioned in The journal of the Reverend Silas Constant By Silas Constant, Emily Warren Roebling, Josiah p.95
"March 23.—Rode to Red Mills; preached funeral of **** Badeau *** cold and high wind." "John Badeau, from New Rochelle, probably a son of Elias Badeau, who was a freeholder of that town in 1708, settled at Red Mills, then in Fredericksburg precinct, Dutchess County, now in Carmel, Putnam County, about 1775, where, until after the Revolution, he held a farm as a tenant of Colonel Roger Morris. He died about 21 March, 1787, aged eighty-eight years, and was buried as above. His children were Peter, Elias, John, and Frances, wife of Isaac Coutant, of New Rochelle. Of these, Peter Badeau was born 1728; died at Red Mills, 9 August, 1816. His farm included all the land in the vicinity of the Presbyterian church at Red Mills, for which he gave the land in 1784, and his son Isaac gave the land for a parsonage. He married (l), Katharine, daughter of Isaac Coutant, of New Rochelle, by his wife Catharine Bonnefois; born in 1726; died February, 1790. He married (2), I December, 1794, Elizabeth Secor, born in 1794; died 29 October, 1826. His children, all by the first wife, were: I. Peter Badeau, born 1749; removed to Albany. 2. Isaac Badeau, born 13 May, 1750; died 7 September, 1842; married (i) Susanna, daughter of Henry Coutant, of New Rochelle; born 14 December."