What president didn't support slavery?

What president didn't support slavery? Many presidents did not support slavery, especially after Civil War and from North, but notable anti slavery presidents include John Adams and John Quincy Adams who never owned slaves and opposed slavery, Abraham Lincoln who opposed slavery and issued Emancipation Proclamation, Ulysses S Grant who opposed slavery and supported civil rights. Also early presidents like John Adams second president never owned slaves and opposed slavery institution, his son John Quincy Adams strong abolitionist. More modern presidents all did not support slavery as slavery abolished in 1865 with 13th Amendment. But presidents who owned slaves include Washington, Jefferson, Madison, Monroe, Jackson, etc. Presidents who did not support slavery include Adams family, Lincoln, and all presidents after Lincoln opposed slavery. So what president didn't support slavery, many, but most notable anti slavery presidents are John Adams, John Quincy Adams, Abraham Lincoln, and Ulysses S Grant who actively opposed slavery, with Lincoln most famous for ending slavery with Emancipation Proclamation and supporting abolition.