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.
That is why the powers derived from the Necessary and Proper Clause are referred to as implied powers. The correct way to interpret the Necessary and Proper Clause was the subject of a debate between Secretary of the Treasury Alexander Hamilton and Secretary of State Thomas Jefferson.