Lieut. married Elizabeth Billings on 16 Jul 1733 in Groton, New London, Connecticut. Elizabeth (daughter of Capt. William Billings and Hannah Sterry) was born on 5 Jan 1713 in Stonington, New London, Connecticut; died on 25 Aug 1791 in Groton, New London, Connecticut; was buried in Ledyard, New London, Connecticut. [Group Sheet]

1. Elizabeth Avery was born on 22 Dec 1733 in Groton, New London, Connecticut; died in 1782.
2. Deborah Avery was born on 27 May 1735 in Groton, New London, Connecticut; died on 10 Feb 1829 in Preston City, New London, Connecticut; was buried in Preston, New London, Connecticut.
3. James Avery was born on 28 Feb 1737 in Groton, New London, Connecticut; died on 22 Feb 1822 in Ledyard, New London, Connecticut.
4. Content Avery was born on 24 Jan 1739 in Groton, New London, Connecticut; died on 16 Nov 1760 in Groton, New London, Connecticut.
5. Desire Avery was born on 15 May 1741 in Groton, New London, Connecticut; died on 16 Apr 1748 in Groton, New London, Connecticut.
6. Edward Avery was born on 23 Dec 1743 in Groton, New London, Connecticut; died in 1764 in Sea, Somerset, England.
7. William Avery was born on 7 May 1746 in Groton, New London, Connecticut; died on 28 Jan 1773 in Groton, New London, Connecticut.
8. Abigail Avery was born on 11 Oct 1748 in Groton, New London, Connecticut; died in 1772 in Preston, New London, Connecticut.
9. Sarah Avery was born on 12 Feb 1750 in Groton, New London, Connecticut; died on 18 Jun 1773 in Preston City, New London, Connecticut.
10. Theophilus Avery, Jr. was born on 22 Jun 1753 in Groton, New London, Connecticut; died on 10 Feb 1839 in Ledyard, New London, Connecticut.