Adonijah Underhill, s/o Thomas Underhill and Sarah Powell, b. "9, 2 mo., 1743" [bef. 1752 so 9 Apr 1743], d. Jericho "6, 16, 1819" [after 1752 so 16 Jun 1819], m. Phebe Willets. Will dated Jericho "15, 10, 1821" [15 Oct 1821], proved 24 Oct 1821, names son Daniel; daughter Rachel wife of Obadiah Jackson; grandson Jackson Underhill, not of age; grandsons Samuel and Adonijah Underhill, they to take care of brothers and sisters, and their step-mother, wife of son Daniel. Executors brother John of Flushing, nephew Richard Underhill of Cedar Swamp; friends David Seaman and Charles Willets of Jericho.