Which president was the son of the second president?

Which president was the tallest, at 6 feet 4 inches? Which president was the shortest, at about 5 feet 4 inches? Which president was the first born a U.S. citizen, after independence? Which president later served as Chief Justice of the United States? Which president was the grandson of the ninth president? Which president was the father of the 43rd president? Which president was a fifth cousin of Franklin D. Roosevelt? Which president was the first African American president?