On 29 Dec 1715 when Jabez was 24, he married Abial Marston (10768) , daughter of Ephraim Marston (3586) (8 Oct 1655-10 Oct 1742) & Abigail Sanborn (25 Feb 1653/4-3 Jan 1742/3), in Hampton, Rockingham County, New Hampshire. Born on 5 Jul 1697 in Hampton, Rockingham County, New Hampshire.40

Children of Jabez and Abial (Marston) Sanborn, born at Hampton Falls:
    i. Sarah Sanborn, b. 11 Aug 1721;
    ii. Mary Sanborn, b. 20 Mar 1718/9, m. at Hampton Falls 13 Dec 1750 John Cram (b. 16 May 1710);
    iii. Ephraim Sanborn, b. 20 Apr 1719, d. 4 Oct 1748 at Epping, NH, m. at Hampton Falls 26 Jun 1740 Sarah Green (b. 10 Aug 1720 at Hampton, d. 1754);
    iv. Abigail Sanborn, b. 12 Sep 1722, d. 16 Dec 1811 at Sanbornton, NH, m. Joshua Sanborn (b. 16 mar 1714/5 at Hampton, d. Dec 1764 at Epping, son of William & Elizabeth (Dearborn) Sanborn);
    v. Josiah Sanborn, b. 21 Mar 1723/4, d. before 31 Oct 1770 at Epping, m. Jemima;
    vi. Phebe Sanborn, b. 10 Jan 1724/5, m. Enoch Sanborn (b. ca. 1724 at Hampton, d. 1778 at Machias, Washington C., ME);
    vii. Jeremiah Marston Sanborn, b. 23 Mar 1725/6;
    viii. Abraham Sanborn, b. 7 Apr 1729, d. between 10 Jun 1798 and 23 Aug 1798, m. Mary;
    ix. Hannah Sanborn, b. 6 Apr 1734, m. a Mr Conner;
    x. Sarah Sanborn, b. 11 Apr 1736, d. 10 Nov 1749 at Hampton Falls; and
    xi. Tristram Sanborn, b. 15 Jan 1737/8, d. after 1760.

On 21 Dec 1715 when Rachel was 20, she married Joshua Brown (16199) , son of Jacob Brown (6032) (ca 1653-13 Feb 1740) & Sarah Brookings.40 Born on 1 Apr 1691.40 Joshua died on 10 Dec 1783; he was 92.40

Joshua lived at North Hampton. His children:
    i. Abraham Brown, b. 13 May 1717, d. young;
    ii. Simon Brown, b. 28 Apr 1719;
    iii. Joshua Brown, b. 3 Jul 1724, d. 26 May 1808; and
    iv. Rachel Brown, bp. 5 Sep 1736, d. 26 Mar 1807, m. Daniel Dow (son of Henry Dow).40

Reuben married Margaret.