Changing my faction leader and faction heir's title?

[Frodge]

Specifically Russia. To Tsar and Tsarevitch, ahistorical for 1080 or not the title grand duke just doesnt cut it when you own half the world. Any one know how to do this?
Thanks.

[Yaropolk]

Post this in the mod folder they may be able to help you

[FactionHeir]

Hmm yes, you nedd to change one of the string.bin files. Forgot which one it is though.
Check out the CNP mod at twcenter so see how they did it.