On 23 Nov 1770 Caleb married Sylvina Magoon (40839) , daughter of Recompense Magoon (21126) (19 May 1716-10 Feb 1802) & Ruth Crocker (ca 1723-25 Mar 1803), in Pembroke, MA.395 Born on 13 May 1749 in Pembroke, MA.266 Sylvina died in Mattapoisett, MA in May 1816.174

Children of Caleb and Sylvina (Magoon) Barstow, born at Pembroke:
    i. Caleb Barstow, b. Sep 1771, d. 28 Aug 1823 in Marietta, Ohio, m. Alice McDaniel;
    ii. Benjamin Barstow, d. by 1776;
    iii. Sylvania Barstow, b. May 1775, d. 26 Sep/Oct 1791 at Providence, RI;
    iv. Sarah Barstow, b. 22 Aug 1776, m. 5 Nov 1801 George Barstow;
    v. Benjamin Barstow, twin, b. 22 Aug 1776, m. 25 Apr 1800 Rebecca Hammond;
    vi. Elias Barstow, b. 3 Jul 1779 at Pembroke, d. 28 Oct 1840 at Providence, m. there 14 Sep 1800 Mary Wood;
    vii. Achsah Barstow, b. 17 Mar 1781, d. 5 Dec 1858, m. at Providence 17 Oct 1798 Samuel Snow;
    viii. Issac Barstow, b. 10 Oct 1783, d. 11 Jul 1826 in falls of the Ohio, m. in Ohio 30 Sep 1824 Sally Walker;
    ix. William Barstow, b. Dec 1785, m. at Wickford, RI, 9 Dec 1809 Waitstill Reynolds; and
    x. Nathaniel Barstow, b. 4 Apr 1788, d. 3 Nov 1849, m. 1st at Providence 6 Dec 1810 Sophia Chafee (d. 1817), m. 1818 Martha Randall.266

On 22 Mar 1764 when Sarah was 22, she married Silvanus Cooke (38723) , son of John Cooke (19372) (23 May 1703-8 Dec 1745) & Phebe Crossman (32637) (ca 1712-25 Mar 1805), in Pembroke, MA. Born on 1 May 1738 in Kingston, MA. Silvanus died in Kingston, MA, on 12 Nov 1814; he was 76.

On 4 Oct 1764 Content married William Barlow, son of Joseph Barlow (12 Feb 1701-ca 1785) & Abigail Wyatt (26 Sep 1707-), in Rochester, MA. Born on 13 Jul 1742 in Rochester, MA. William died in Pittsford, Rutland County, Vermont.