I'm hanged if I know!

I have absolutely no idea! I'm hanged if I know how to fill out these tax forms!

Name	Pronounced	Usage
Joslyn	['dʒɔslin]
Niloofar	-	Persian
Vivi	-	Danish, Swedish, Norwegian
Brynjar	-	Norwegian, Icelandic
Pylyp	-	Ukrainian
Rahab	RAY-hab (English)	Biblical