"Thieves tell tales about its golden make and how it was actually forged by ancient dragons of the North. Their tales claim that it was given to a great knight who was sworn to protect the dragons"
there could be a small possibility of dragon fanatics trying to aid them, but i'm almost sure skyrim will have something big for Goldbrand.
And if you remember, in ES4, they had the Boethiah shrine giving out goldbrand up north, in the snowy mountains. maybe they were hinting at dragons and skyrim all along? --- Loyal High General of the Crabdom, leader of the Shadowcrab division. "Fear and respect mudcrabs and the Crabdom shall not harm you" - Kynareth.