My mother was suddenly diagnoised with a unknown cancer and had 6 months to live in 2009. I have a brother and sister also. My mother prepared her financial affairs before her death.  After my mother's passing my sister was suppose to give me and my brother money my mother had at home. Instead for 3 months my sister would not talk to me or give me any of the money. I would ask her numerous times what did I do to you. She would just say you did not do anything and kept all the money.  My…