My husband's 4th great-grandfather was William W. Willison (b. 15 Jan 1752 Scotland, m. 1781 Marbletown, Ulster Co. NY, d. 24 Jan 1836 Genoa, Cayuga Co. NY).Our William m. Esther Bowker (b. 10 Mar 1762 Concord, Middlesex Co. MA; d. 23 Apr 1836 Genoa, Cayuga Co. NY, d/o Capt. Silas Bowker, Sr. and Esther Hobbs of MA)
Their children were:Silas, Mary, JAMES, Esther, SAMUEL, Hannah, Cynthia, Orsemus.Our JAMES (b. 10 Nov 1790 near Chemung, Montgomery Co. NY, d. 9 sep 1866 Barry Twp. Barry Co. MI, m d. 9 Sep 1866, bur. North Cem. Hickory Corners, Barry Co. MI; m. 1st Betsy Williams abt 1810 Genoa, Cayuga Co. NY, b. abt1792/93, d. 1821 OH; m. 2nd Margaret Borthwick).
Your SAMUEL was brother to our JAMES.
Esther Bowker's family--the Bowker and the Hobbs families are listed on various sites as going way back.If you need any help with them, give a holler!