sentences:  The county was formed as Bertie Precinct in 1722 from the part of Chowan Precinct of Albemarle County lying west of the Chowan River.It was named for James Bertie, his brother Henry Bertie, or perhaps both, each having been one of the Lords Proprietors of Carolina.In 1729 parts of Bertie Precinct, Chowan Precinct, Currituck Precinct, and Pasquotank Precinct of Albemarle County were combined to form Tyrrell Precinct.