I did take a look in the book, and there is a Lorenzo Brundage listed in NY in the same time frame as the one you mention, however the information is considerably different.I will post it here for you as well as others that visit Genealogy.com for Lorenzo Brundage information. Judy
Lorenzo Brundage b. Nov 1839 laborer, res Fishkill, m. Mary Jane ___, b. ca 1844.Children Susan Ida, b. 1867; Cornelia b. 1870; John b. 1874; George b. Dec 1876, barber; Jennie b. Nov 1888. From Cathy W.Knauff letters 1985-89.
Lorenzo's parents: John Albert Brundage b. Jul 7, 1807, d. Aug 14, 1884, bur Leetown, E. Fishkill, Dutchess Co, NY. m. Jane Ann Bowne b. Dec 18, 1809 Leetown, d. Jul 4, 1903 (dau of Joseph and Clorinda (Palen) Bowne.
John Albert's parents: Hacheliah Brundage b. abt 1775? d. Mar 25, 1842 Bedford, res Dutchess Co 1810, N. Castle ca 1820-30, m. Adelia Sniffen.
Hacheliah's parents: Hacheliah Brundage b. ca 1743 (48?), militia 1760,62, Rev War Serv 3rd Regt West Co. Res Cortlandt 1779, Harrison 1790, Dutchess Co 1810.m1 Esther Brown, m2 Deborah (Brundage) Sniffen, b. Apr 24, 1741.
His parents: Abraham Brundage b. ca 1695 Rye, d. by 1762, m. Mary Brown b. ca 1680? dau of Hacheliah & Mary (Hoyt) Brown.