Re: Valid Quit Claim
you cannot quit claim anything OUT of another's name. Once you quit claim your interest to another party, that's it unless THEY deed it back to you.
So, go back and figure out when mom deeded her interest to somebody else. Then see if there are any deed;s with that (or those) parties deeding their interest back to your mother. That will be a deed with that person listed as grantor and your mother listed as grantee with the grantor's signature on the deed and (and I haven't checked yet) witnessed as necessary.
If there is a person your mother granted any interest to, while she actually held an interest (since it sounds like she was writing deeds when she didn't actually hold any, or at least all of the title), that has not deeded it to another party, your mother did not own all of the property.
so, start with that. Then you can move to the next step.
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then, to the basic question:
if there are no witnesses, the deed is not valid. It doesn't have to be notarized but it must be witnessed.
I am not an attorney and any advice is not to be construed as legal advice. You might even want to ignore my advice. Actually, there are plenty of real attorneys that you might want to ignore as well.