Jefferson did free all his slaves that were his children -- Sally Hemings children (I have never heard of any evidence that he slept with any other). Most likel

Jefferson did free all his slaves that were his children -- Sally Hemings children (I have never heard of any evidence that he slept with any other). Most likely he did not free the rest of his slaves because he was in a great deal of debt when he died and didn't want that debt to burden his children.