Tex. R. Civ. P. 158
As amended through August 27, 2024
When a plaintiff suing for the use of another shall die before verdict, the person for whose use such suit was brought, upon such death being suggested on the record in open court, may prosecute the suit in his own name, and shall be as responsible for costs as if he brought the suit
Tex. R. Civ. P. 158