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.
While the Necessary and Proper Clause identifies some specific rights of Congress, it is vague on other areas of legislation. Historically this has caused controversy and confusion about whether Congress has the power to regulate in areas not specifically enumerated in the clause.