Prenuptial Attorney Marriage W/prenuptial& Will Leaves Asset To Children, One Has Brain Surgery, Gets Power Of Att.& Strips Estate

Marriage w/prenuptial& Will leaves asset to children, one has brain surgery, gets Power of Att.& strips estate - prenuptial attorney

Our stepmother SIGED marriage allowence to give a car and a house to live in the time that our father has lived with her, too. His will left his entire estate to his children. He underwent brain surgery was his attorney, because his brain injury. Then put your name on all bank accounts, insurance, pensions, etc. So, his name appeared on all assets at the time of his death. He has even taken to prepare a new will leaving her and other additional collateral. Thes are the changes of legal ownership?