although legal,not everyone accepted. and these were presidents who are probably thought to be better than president elect trump.
1. George Washington owned slaves while president.

2. John Adams did not own slaves.

3. Thomas Jefferson owned slaves while president.

4. James Madison owned slaves while president.

5. James Monroe owned slaves while president.

6. John Quincy Adams did not own slaves.

7. Andrew Jackson owned slaves while president.

8. Martin Van Buren owned slaves, but not while he was president.

9. William Henry Harrison owned slaves, but not while he was president.

10. John Tyler owned slaves while president.

11. James K. Polk owned slaves while president.

12. Zachary Taylor was the last president who owned slaves during his presidency..

13. Millard Fillmore did not own slaves.

14. Franklin Pierce did not own slaves.

15. James Buchanan did not own slaves, although some may disagree.

16. Abraham Lincoln did not own slaves.

17. Andrew Johnson owned slaves, but not while he was president.

18. Ulysses S Grant owned slaves, but not while he was president. He was the last president who did.