Well, this is a nice thread, and in the debate that took place months ago I think
Ancalagon's 'Mowgli' theory is the best I've ever seen to explain what was to me one of the mysteries of ME. But regarding
Beorn's possible blood relation to
Beren... Eluréd and Elurín were lost in the woods of
Doriath, and not killed (directly) by the sons of Feänor. It says in
the Silmarillion, if I am not mistaken, that "these
tales do not tell what happened to them". Well, we usually presume that they died in the woods, being very young, but still... if it could happen with Mowgli and Beorn, why not one of the twins?
That said, I still think it extremely unlikely, and Ancalagon's theory is still the best.
Ariana -- don't you mean the
Battle of Five Armies? After all, there were enough
battles in the North, they wouldn't have to go to the
Black Gate to pick a fight. Sorry, I don't remember reading about it