People understand my last name, Rosier, as "rosebush" in French. That it is. But the other, truer origin? Rosier is also known in some Christian sense as a fallen angel of the second dominion. Rosier is also known as Rosiel. The name Rosiel comes from the Hebrew "Raziel", who is one of HaShems archangels. He is famous for the masterpiece of confusion formulas and text in Sefer Raziel HaMalach, that he revealed to Adam HaRishon. He gave Adam and Chava the key to creation. It's one of those difficult to understand, barely commented on pieces of Jewish literature, as mystic as The Zohar and Sefir Yetzirah. I'm purely amazed right now at the awesomeness of it.
While in an amazing sukkah, a small copy was found inside of the basket of benchers. Apparently it's like a charm to carry around with you. Simply amazed. :)
If you want to read more about it, here is the wiki article.