Is she the rightful owner to claim this?

If he has no other children, and he was not married, then it belongs to her. You will probably have to go to court to get a guardianship...

Does sole grandparent have right to leave her half of property to grandson ?

You need to have the deed looked at by a lawyer, to determine if the deed had a right of survivorship.

The small estate affidavit and the form for the BMV is all you will need.

What are my legal rights when someone who is not the executor changes locks to a house that has my inherited things inside?

Just b/c you have property in a location does not mean you have the right to enter and take it. You need to go to the probate court and get an...

You will need an attorney to determine the class of the potential heirs.

You need to have an attorney determine if the deceased first cousins are of the same class as the living ones, such that there would be anything to...

In addition to what the previous answer said, If they have both died, you can always file to probate the will you do have, and leave it to someone...

What should i do my daughter passed away unexpectedly she was not married has one 5yr.old boy his father has custody of him

You need to open a probate in the state where she resided when she died and have the money put into a blocked account for the benefit of the child....

How do how do I find out whether my roommate left my name in the will as beneficiary for the house?

You need to look in the house for a will. Also, you need to consult with an attorney who can give you specific advice on how to handle this situation.

I am being sued by a person I know for a fact has made his living with not justified law suits?

Asking that question here will not help you. You need to hire an attorney.