Who is the judge of elections of members in congress?

Answer 1

Each house is the judge of elections, returns, and qualifications of members in Congress.

Answer 2

the qualifications:

Every senator mus be at least thirty years old, a citizen of the United States for nine years, and must be a citizen of the state they are to represent at the time they are elected.

who judges them:

each house decides whether a member has the qualifications for office set by the constitution

Answer 3

Each house is the judge of elections, returns, and qualifications of members in Congress.

Answer 4

Each house itself