What do I do with money left to my mom after her husband passed away?

You need to get an attorney who specializes in elder law to help you.

How can we take possession of my mothers house?

You need an attorney that deals in probate to handle the transfer of the house. This may or may not be an easy transfer, it depends on the facts...

You should try to work it out if you can. If you can't work it out, you could try to get a guardianship over your mom's person and/or estate. A...

How do i get my father's and uncles house in my name they gave it to me when they passed

The person who has the will has the duty to file it with the county clerks office. Let them know that. If they don't probate the will or at least...

Can a person with another person's power of attorney use that power if the person who appointed them is still mentally competent

Depends on how it's written. Some durable power of attorneys are written so the agent can act as agent as soon as the power of attorney is signed,...

What can I do ?

Unfortunately, the statute of limitations is 4 years after the day he died.