Mom lives with us. We have two crazy brothers. She has her own account we pay the bill, but the is still active.

We get cash for her some money is spent for food for all of us, she pays no other bill except a cleaning lady that we split. we manage her rental property all the money goes to her own account, her sons would sue us for anything but we are all happy with how we worked things. We are the ones getting her money out for her for her activity senior centers lunches with friends. how do we protect our self from probable conflict. her sons think she had more then she really does and dont care that we have the burden of managing her life