HoME XIII: The Weird Bits

[Urwen]

Originally Posted by Huinesoron

Oh, I know this one! Originally known as Alwē, he was the leader of the tiny breakaway Vanyar group who refused to leave Cuivienen (along with Morwē and Nurwē for the Noldor and Teleri). They eventually travelled west, and intermarried with the Nandor of Lorien and Mirkwood - hence the high number of blond elves in those kingdoms (see: Haldir).

It's all in HoME XIII.

hS

Actually, he is not. Alvar is the son of Albus and Varda, and they used the portmanteau of their names to name him. Just as Morleg is the combination of Miriel and Gothmog (Mrle+Go).