YOu need to contact an attorney in the county where the estate/conservatorship was established; pull the case file; and if necessar take your brother to task. Oftentimes what we find is that one party is receiving all the rent, etc. and failing to/ and not wanting to, include the other partial owners. If there is wrongdoing the court will possibly assess any fees and costs your incur against your brother. Good luck.
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.