It's not one name per say, but in general I think J.R.R.
Martin is pretty good at creating names that sound like real genuine names, but still coming from a fantasy world.
Good examples from the book series (I checked the ASOIAF wiki, but there are no many more!):
Bonifer
Edmure
EdricBeric
Renly
Liomond
Alysanne
Dacey
Helicent
Jennelyn
Mordane
Sansa
Don't hesitate to rate my different PNLs:
http://www.behindthename.com/pnl/246179