JOHNSON: Mahlon Johnson family of Littleton, New Jersey, ancestors & descendants 1931By Mary B. J. Pease et al. This genealogy of the Johnson family focuses on the ancestors and descendants of Mahlon Johnson of Littleton, New Jersey, along with allied families. Mahlon Johnson was descended from Connecticut Johnsons who came to Hanover, NJ in the eighteenth century. They had a Dutch ancestor named Jan Woutersen Van der Bosch who came to America when the Dutch had full sway over New Netherlands (New York). Read about how the English and