Of course he will. But the only thing was that their family was bankrupt and his father was using that as a tool to use her. She already knew that, and what's to happen if she doesn't agree, but she made the decision anyway. Plus, Julia already knew ahead. Idk if Julia's a powerful woman or not (let's just wait for the story to develop), but if I were her, I'd be confident knowing someone like Julia's looking out.
I know the kind of people like their father, personally. Because of years of experience they always think they can get what they want, which is why they never quit. They can't stand that. It's like an itch that can't be scratched away. It's a great slap to their pride. A parent of mine has been like that since I was young. The day came I got fed up and stood on my own. People like that will use fear to control you. Unless you stand up and face them, they'll always continue feeling prideful. Now, already 2 people have opposed him. I got the feeling Julia is as well, but she's just waiting for the right time to strike against their dad. (idk, maybe)