Board Thread:General Discussion/@comment-101.103.30.52-20140219060142/@comment-1600847-20170410114531

High King Emeric wrote: Maybe he's married to a Nord and his son is a Nord? Or the Stormcloaks needed extra help?

His wife is Kerah, and she's a Redguard.

And I'm sure the Stormcloaks would have no qualms about letting humans into their ranks (though I'd assume they'd be iffy about Imperials).