All the people who bought and sold real estate died. How to transfer the property?

After the death of the old man, the transfer procedures can only be decided according to different circumstances: 1. After the death of the old man, the property is transferred to the heir (1). After the death of the old man, if there is an inheritance book to designate the heir (if there is no inheritance book, the proportion of other people who have inheritance relations needs to be abandoned according to the latest documents, the parties can participate.