There were 4 candidates from the republican-democratic party:
-Andrew Jackson: Senator, he was a statesman and national Hero during the battle against the British in New Orleans. He was later elected President in 1829.
-John Quincy Adams: Secretary of State, he's the one who won the election and got elected as the sixth President of the U.S.
-Henry Clay: House Speaker, he got elected as the Secretary of State alongside the presidency term of John Quincy Adams
-William Crawford: Secretary of the Treasury, He didn't get any role with John Quincy Adams.
Hope this Helps! :)