Mecklenburg-Schwerin, Kingdom Hanover

Dear list members,

In the 1800s about 7 or 8 counties of Mecklenburg-Schwerin were pawned or
mortgaged off to the Kingdom of Hanover. Does any one know which areas were
transferred to Hanover, and when they were returned to Mecklenburg-Schwerin?

Esther
ebauer@mac.com