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
Rodolfo	-	Italian, Spanish, Portuguese
Wheeler	['wi:lə]
Eryn	ER-in	English (Modern)
Ratomir	-	Serbian
Ester	ES-ter (Finnish)	Spanish, Portuguese, Czech, Swedish, Norwegian, Danish, Icelandic, Finnish
Ulysse	-	French