Interesting stuff. And you didn't even mention the possibility that she and Jesus were married, which is quite possible, even likely. I wrote some articles on that some time ago, with similar material to yours here. I can send you links if you’re interested.

I assume you're familiar with the book The Holy Blood and the Holy Grail. Curé Bérenger Saunière built a TOWER in honour of the Magdalene at Rennes-le-Château, after his extraordinary discovery of some secret information. Unfortunately we don't know exactly what that was.