James Hemings
However, neither of these two things happened.  According to Sally Hemings and Thomas Jefferson's son, Madison, Sally and James Hemings talked to Jefferson.  Jefferson, James Hemings and Sally Hemings made a deal in private: Jefferson promised to free all of Sally Hemings's children, whether he was their father or not.  Jefferson promised to free James Hemings after he had taught more people at Monticello how to cook in the French way.