Conversation so far:
can a foreign born person run for president
Status as a natural-born citizen of the United States is one of the eligibility requirements for holding the office of president or vice president.
what's the purpose of the requirement for United States presidents to be natural-born citizens
This requirement was intended to protect the nation from foreign influence.

Question: do their parents have to be natural-born citizens
Self-contained rewrite: do parents of United States presidents have to be natural-born citizens