Can the POA request there Aunt's filed / sealed will be given to different attorney & the old attorney mark as 'do not contact'?

Your question is somewhat confusing as to exactly what you are trying to accomplish. But assuming your aunt is still alive, you can certainly...

Do I have anything to worry about with my deed?

There very well may be a fight in court over whether the she was competent to sign that deed. You should hire an attorney.

My mother set up a family grantor trust ...she is single and passed away. ?

I also recommend you consult with an accountant regarding this.

How long does my beneficaries have to remove my personal belongings from my house after I die, as I have a life estate?

Your daughter would have a reasonable amount of time to remove your personal belongings. But it should only be a week or two, so mortgage etc...

Can an executor give money to who they think is entitled to it?

You need to consult with an attorney. But, if everyone is in agreement, it may be possible for you to file a claim against the estate for that, and...

Can my dads wife give up her right to his estate though her name is not on the deed?

You need to consult with a probate attorney, to make sure this estate is handled right. But yes, your stepmother can renounce her right to the...

You need to consult a probate attorney, as part of the answer to that depends on whether your grandparents had a will or not. But irregardless of...

Proving dna ?

If an estate hasn't been opened for him already, you need to open an estate and seek a court order through the estate to determine her paternity.

What are my daughter's legal rights to her belongings at her ex-stepfather's house since her mother died?

You need to contact a probate attorney as soon as possible to see what rights you may have.

Contesting a will

You need to contact an attorney as soon as possible, and they can advise you of the possibility of being able to successfully contest the will.