Your question is rather confusing. You need to contact an attorney to go over the specifics of the situations and determine your rights.

An individual in a facility has the right to have visitors of their choice as long as the visitor doesn't cause a disturbance

You need to establish a will or a trust leaving it to who you want it to go to.

Unfortunately, I don't believe most lawyers will take on this type of case without payment up front.

Her son in law could make a claim against the deceased husband's estate for the loan. But there is no basis to sue her individually for the loan,...

You need to consult with an experienced estate planning attorney, as there are potential problems with your plan, and there could be better...

You probably need to hire an attorney to represent you and make sure your rights are being protected.

Your question makes no sense as written, you need to repost.

First, you need to open a probate so you can legally enforce any rights you have as his heir. Once you've opened the probate, you then need to...

It sounds like you are needing to establish a trust for him.