Contact a local probate attorney as you really need to protect your legal rights. If there is property in your father's name and he passed some 8 years ago, it is very likely that you and your siblings will be entitled to 50% of his estate at the least, potentially more. You need to take action right away.
Mr. Post is licensed to practice law in KS and MO. The response herein is not legal advice and does not create an attorney/ client relationship. The response is in the form of legal education and is intended to provide general information about the matter within the question. Oftentimes the question does not include significant and important facts and timelines that if known could significantly change the reply unsuitable. Mr. Post strongly advises the questioner to confer with an attorney in their state in order to ensure proper advice is received.