Many things can go wrong when a record collection is indexed. If you're having diffculty finding Koepka ancestors in a particular database at one site, try finding it on another and compare the results.
The Necessary and Proper Clause, also known as the Elastic Clause, the Basket Clause, the Coefficient Clause, and the Sweeping Clause, is a provision in Article One of the United States Constitution, located at section 8, clause 18.
The Elastic Clause, formally known as the Necessary and Proper Clause, allows Congress to enact laws that are necessary and proper to carry out the powers given by the Constitution. Congress has the opportunity to act or create laws where the Constitution does not explicitly give the authority to act.