On 21 Oct 1780 when Joseph was 29, he married Jemima Craig (61496) , daughter of Robert Craig (10 Dec 1726-12 Oct 1805) & Martha Green (51924) (23 Apr 1726-17 Sep 1801), in Leicester, MA.508 Born on 19 Sep 1759 in Leicester, MA.508 Jemima died on 21 Sep 1841; she was 82.

Children of Joseph and Jemima Bemis, born at Spencer:
    i. Daniel Bemis, b. 16 Jun 1783;
    ii. Polly Bemis, b. 22 Feb 1785;
    iii. William Bemis, b. 27 Aug 1787;
    iv. Patty Bemis, b. 27 Jan 1790;
    v. Suky Bemis, b. 23 Jun 1793;
    vi. Eleazer Bemis, b. 17 Nov 1794;
    vii. Sylvanus Bemis, b. 18 Jun 1796;
    viii. Sally Bemis, b. 7 Aug 1799;
    ix. John Bemis, b. Dec 1801; and
    x. Franklin Bemis, b. 1 Feb 1803.563

On 6 Sep 1769 when Susannah was 17, she married Asa Pratt in Oxford, MA. Born on 27 Jul 1744 in Oxford, MA.

On 17 Dec 1776 when Phineas was 22, he married Sarah Child in Hopkinton, MA. Born ca 1756. Sarah died in Grafton, MA on 23 Sep 1839.

On 28 Nov 1782 when Lydia was 22, she married Enoch Knapp, son of David Knapp & Sarah, in Spencer, MA.563 Born on 18 Jul 1754 in Spencer, MA. Enoch died in Spencer, MA, on 13 Aug 1811; he was 57.

AFter Enoch’s death, his family moved to Maine.