Suggest a DNA test by then... Meanwhile, just draft a proper
will if he feels that there's a need to?
Other things... It's your uncle's money... If he's cheated, you
can't do much too.. You can try talking to him about it, but
improper way of handling could possibly make the situation
worse...
And no. As long as it's stated clearly that he has inherited the
money to your side, the current woman can't really touch the money.
If I'm not mistaken, she'll have NO CASE unless...
1. She's married with him.
2. She carries his child.