Tenn. Code Ann. § 66-4-101: Execution by personal representative of deceased vendor

In all cases of written agreements or contracts for the conveyance of land in this state, where the person executing the agreement or contract dies before final conveyance is made, the decedent's personal representatives may execute the conveyance to the person with whom such agreement or contract was made, or the decedent's heirs or assigns, according to the forms prescribed for the conveyance of real estate.