Jonathan married Dorothy Tolles (36959) , daughter of Henry Tolles (1 Nov 1669-Jan 1750/1) & Dorothy Thomas (17869) (ca 1674-19 Oct 1727). Born ca 1705 in New Haven, CT. Dorothy died in West Haven, CT on 14 Aug 1785.55

Children of Stephen and Dorothy (Tolles) (Brown) Bristol, born at New Haven:
    i. Stephen Bristol, b. 28 Jan 1733/4, d. 13 Jan 1789 at New Haven, m. Sarah;
    ii. Ichabod Bristol, b. 14 Apr 1736;
    iii. Abner Bristol, b. 8 Mar 1737/8, d. 21 Apr 179, m. at New Haven 1 Aug 1775 Eunice Dorchester (b. 20 Mar 1752, d. 23 Sep 1832 at New Haven);
    iv. Rachel Bristol, b. 11 Dec 1739, m. ca. 1757 David Smith (b. ca. 1740), m. 2nd Samuel Downs (b. 16 Apr 1752 at New Haen, d. 20 May 1819 at Bethany, son of Samuel & Saah (Humphreville) Downs);
    v. David Bristol, b. 13 Jun 1742, m. Mabel Thomas (b. 20 Oct 1742 at New Haven, dau. of Charles & Lydia (Augur) Thomas);
    vi. (possibly) Dorothy Bristol, b. ca. 1748, d. 12 aug 1834 æ. 86 at New Haven, m. Samuel Thomas; and
    vii. (probably) Dinah Bristol, b. ca. 1751, d. 17 Jun 1785 æ. 34 at Oxford, m. there 5 Feb 1772 David Candee.55