In what state did Isaac Jefferson work for Thomas Jefferson?
Isaac Jefferson: Isaac Jefferson, also likely known as Isaac Granger (1775 - ca. 1850) was a valued, enslaved artisan of U.S. President Thomas Jefferson; he crafted and repaired products as a tinsmith, blacksmith, and nailer at Monticello. Monticello:  Located just outside Charlottesville, Virginia, in the Piedmont region, the plantation was originally 5000 acre , with Jefferson using slaves for extensive cultivation of tobacco and mixed crops, later shifting from tobacco cultivation to wheat in response to changing markets.
Virginia