Who is Boreas?

On John Crowley’s Perpetual Interview, I read this eye-opener (eye-opening to me, at least):


Speaking of Little, Big: “I’ve always been sorry that I didn’t make clear one connection that’s so evident most readers have probably made it for me: Russell Eigenblick/Barbarossa is the our-world cognate or avatar of Brother North-wind, whose role he will take when he too reaches Faerie at the end. Ah well.”