How do you pronounce Irene Von Meyendorff?
Try Google translator. If it's not more than one
short sentence it will talk to you in most
You can get the desktop app "Talk It!"(exclude quotations).
This is a text to speech program.It's portable, hence no installation required.
Another one with more features is Balabolka.You can get the installer as well as the portable version too.Click below link for Explanation(by makeuseof.com)
You can try out the 8 Online Audio Pronunciation Guides That Help You Speak Words Correctly that I wrote recently. There are a couple of resources which can help you out.
If it's a famous name (this sounds like the name of the German actress), then a general Google search can also help.
try the Text-to-Speech SitePal. Simply enter the name and select German as the language. That gives you the proper pronunciation as I would give it to you. If it's too fast, just type in the three parts of the name separately until you can reproduce it.
Let us know whether that worked.