Frederick became known as the "Winter King", as he reigned for only one winter before the Imperial House of Habsburg regained the crown by force.
Johann Sylvan, Adam Neuser, Johannes Willing, Thomas Erast, Michael Diller, Johannes Brunner, Tilemann Mumius, Petrus Macheropoeus, Johannes Eisenmengerjevo, Immanuel Tremellius in Pierre Boquin so vsi verjetno prispevali k Katekizmu.