John Ferguson b. ca. 1735 Beekman, Dutchess Co., NY m. Alida (Aeltje)
CRONKHITE b  BEF. 01 aPRIL 1738  M. 1752 Rumbout Presby Church, 
        children
        1.Jacob Ferguson b. ca 1755
        2.Abraham Ferguson b. bef. 14 December 1756, Beekman, Dutchess Co.,     NY m.
Polly EMERY     m. 1779  Beekman, Dutchess Co., NY
        3. Francis Ferguson  b. 1757 Beekman, Dutchess Co., NY d. 04 July 1838.
        buried in Watervliet, NY  m. ? 1779 in Beekman, Dutchess Co., NY
        4. Gilbert Ferguson b. 1762  Bethlehem, Dutchess Co., NY
          m. Unknown            

The descendants of Abraham and Gilbert Ferguson  are numerous and available,
but have many gaps. 
E.H. Ferguson