Joshua Blackwell [#11], s/o Joshua Blackwell [#6, p. 117:295, and Sarah Elis], b. 18 Oct 1707, m. Sandwich 8 Aug 1728 Sarah Tupper. Will of "Joshua Blackwell of Sandwich, yeoman", dated 31 Jul 1783, proved 11 Aug 1783, names daughter Elizabeth Blackwell [unmarried]; Levi Blackwell son of son Eleazer deceased [under 21]; daughters Elizabeth, Sarah Thankful; Jabez son of daughter Mercy deceased; son Israel Blackwell; son Joshua Blackwell; grand daughters Temperance, Rebecca, Phebe, Thankful and Mary Blackwell, daughter of son Eleazer; daughter in law Jedidah Blackwell widow of son Eleazer; grandson Joshua, Eleazer and Levi, sons of son Eleazer; son Rowland Blackwell. Son Joshua executor. Inventory 15 Sep 1783.