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.
Necessary and Proper, Not Anything and Everything. In Federalist 33, Alexander Hamilton asserted that the necessary and proper clause (along with the supremacy clause) merely stated a truism and gave no additional power to the federal government.