You must obtain a Power of Attorney from your son. He would need to execute a new POA document that grants powers of attorney to you. He would need to revoke the one he granted to his spouse. It cannot be assigned or transferred by the attorney-in-fact not can it be affected in any way by a third party.
You can get a power of attorney form online or at your local office supply store.
If they have Power of Attorney, yes.
No, you do not need a lawyer to obtain a power of attorney in Texas.
No, it is not possible to obtain power of attorney for a deceased person, as power of attorney ceases upon the death of the individual.
If your spouse has granted you the power of attorney. Otherwise it would not be valid.
If the daughter has a valid Power of Attorney then she can sign for the incompetent. The Power of Attorney must have been executed when the spouse was competent and clearly to remain in effect in the case of a later incompetency. In most jurisdictions this would be knows as a Durable Power of Attorney.
You cannot obtain a POA from an unconscious parent because a POA must be executed voluntarily by a legally competent person. In your case you need to petition the court to be appointed your parent's guardian. You should consult with a social worker at the facility where your parent is being cared for or a private attorney.
You can obtain a special power of attorney form from your local courthouse, online legal websites, or through an attorney.
The person with the power of attorney has to sign for the individual.
Nobody has a power of attorney unless the individual has duly appointed them. And if they are deceased, no power of attorney is valid, as they expire at death.
The Power of Attorney has no rights over a parent of sound mind. The power of attorney is given by the parent and can be withdrawn at any time. And the power of attorney automatically ends upon the grantor's death.
There is nothing automatic about the process. Either they are granted the power by the person in question or the court has to grant it.