Crossword puzzle clue "norwegian king who oh as if you know anything about norwegian kings"

Norwegian king who ... oh, as if you know anything about Norwegian kings

One of seven kings of Castile, five kings of Aragón, or two kings of Spain

Show where all you need to start it is one suggestion of anything, anything at all! Can you believe it? What a deal

"Demand me nothing: what you know, you know: From this time forth I never will speak word" is his last line

Goo Goo Dolls song that you probably know from the way John Rzeznik snarls "But you don't even know who I am"

"You know that it would be untrue, you know that I would be a ___"

Church bells sound, I know, you wouldn't know as you're a heathen who's never stepped foot in a church before or even walked by one

"Anything! Anything at all!"