Otis married Lydia Wentworth about 1727 in Somerworth, Strafford, New Hampshire. Lydia was born on 24 Sep 1726 in in Dover, N. H.; was buried in Portsmouth, Rockingham, New Hampshire. [Group Sheet] [Family Chart]

Otis married Tamsen Chesley in 1758 in Dover, Strafford, New Hampshire, British Colonial America. Tamsen was born in 1728 in Portsmouth, Rockingham, New Hampshire, British Colonial America; died on 6 Nov 1801 in Dover, Strafford, New Hampshire, United States; was buried in 1801 in Portsmouth, Rockingham, New Hampshire, United States. [Group Sheet] [Family Chart]