BillSuter on Family Tree Circles

Seeking ancestry of LOTT MARSHALL, b. ca. 1780, d. 27 Dec. 1836, bur. Friends Burying Ground, Chappaqua, Westchester County, NY, m. bef. 1804, Anna (possibly WILLITT), b. JAN. 1781, d. 7 Feb. 1860, bur. Friends Burying Ground, Chappaqua. Their son Willitt MARSHALL, b. 1804-d. 20 Oct., Yorktown, NY, m. Mary VAN CORTLANDT, b. 1808-d. 2 Mar. 155. Williett and Mart also bur. Friends Burying Ground, Chappaqua. Lott has been my "stone wall" now for many years, and I would most appreciate any help.