Alexander married Mehitable Tetherly on 30 Dec 1678 in Kittery, Province of Maine, British Colonial America. Mehitable was born in 1663 in Kittery, York, Maine, British Colonial America; died before 1728 in Portsmouth, Rockingham, New Hampshire, British Colonial America. [Group Sheet] [Family Chart]

1. Ebenezer Dennett was born in 1692 in Bowdoin, Sagadahoc, Maine, United States; died in 1758 in Kittery, ME.
2. Elizabeth Dennett was born in 1688 in Portsmouth, New Hampshire, British Colonial America; died in 1735 in Hampton Falls, New Hampshire, British Colonial America.
3. Samuel Dennett was born in 1690 in of Portsmouth, Rockingham, N.H.; died in 1733.
4. Mehitable Dennett was born about 1693 in Hampton, Rockingham, Colony of New Hampshire, British Colonial America.
5. Oliver Dennett was born about 1693 in .
6. Moses Dennett was born about 1695 in Hampton Falls, Rockingham, New Hampshire, United States; died on 15 Jul 1749 in Kittery, York, Maine, United States.
7. Oliver Dennett was born in 1696 in New Hampshire, United States; died in DECEASED.
8. Susanna Dennett was born about 1700 in Hampton, Rockingham, New Hampshire, British Colonial America.
9. Samuel Dennett was born on 1 Oct 1701 in Hampton, Rockingham, New Hampshire, United States; died on 24 Dec 1769 in Portsmouth, Rockingham, New Hampshire, United States.
10. Sarah Dennett was born on 1 Oct 1701 in Hampton, Rockingham, New Hampshire; died on 24 Dec 1769.