You need to consult a probate attorney, as any settlement your mother received should have been made out to her estate.

The money in his bank account should go into the estate bank account. You should consult with your probate attorney.

Without a will everything goes to his kids according to the laws of intestacy. The only exception would be if you had contributed any money to the...

As her son with POA, he does have control over that.

That depends on how the will is worded. But in all likelihood, he left it per stirpes, which means the children of the deceased children inherit...

It is possible but it will be easier with the parent's permission.

the Decedent can name anyone they want to serve as executor.

Although the amount involved would let you proceed by small estate affidavit, I would not recommend it. There are a lot of things going on here...

Your question is very confusing as to the sequence of events. Further, if there was a valid will giving the one person sole inheritance, their...

Your question is incomplete, you need to provide a full quesiton.