Wellll,
The Normans were actually descendants of the Vikings (Norman-Norseman).
They just adopted the local Romance language of the northern coast of France before they decided that they would rather have that li'l ol' island.
And regarding that "invulnerability comment earlier:
I know for a fact that I was invulnerable when I was fifteen.
The proof is typing this
.
(I am, however, quite mortal these days
)
