Is there anyway to change ones primary Title?

https://preview.redd.it/7eifdwhetr6f1.png?width=1649&format=png&auto=webp&s=fb07012e0714d4acc0a11f68d060cd56c807a011

https://preview.redd.it/fakwsrngtr6f1.png?width=783&format=png&auto=webp&s=0f8deeabfc62e37281ae65679727c24fbf4ba369

I was the Kingdom of Bohemia for the whole game but after inheritance it changed to Hungary, how can I go back to being Bohemia?