According to Swiss history writing, the foundations for modern Switzerland date to 1291. The date being conveniently close to the dissolution of the Order of the Knights Templar many see a connection between the two in later developments. Did the Knights Templar bring their legendary treasure to Switzerland and made it as rich as it is?
The German city of Cologne on the Rhine houses one of the most beautiful cathedrals in Central Europe. In it, visitors will find one of the most extraordinary works of art in existence: The shrine of the three holy Magi. Shrine and cathedral draw thousands of worshipers as well as art lovers from all over the world.
While discussing the possibilities and impossibilities of exchanging Royal offspring and heirs in times of turmoil is amusing, it doesn't bring you much further in search for the truth. What you accept as possible is your point of view and so called proofs usually are pretty flimsy. Looking at the usual suspects, though, might give you some new ideas as to whether it should or could have been done or not.
The city of Fribourg is located only 20 miles from Bern, but is today mainly French speaking though it started out as a German (or Alemannic) speaking city. It boasts the only Catholic University in Switzerland and has retained its medieval character throughout the city to this day. If you want to get a feeling for the lifestyle 600 years back, this is the place to visit.