Hire a lawyer. Don't take anybody's word for it that there wasn't a will and that the kids were left nothing. Even wills are contested all the time. Seriously. . .talk to a lawyer.

__________________
"No one believes more firmly than Comrade Napoleon that all animals are equal. He would be only too happy to let you make your decisions for yourselves. But sometimes you might make the wrong decisions, comrades, and then where should we be?"
- George Orwell Animal Farm