Tex. Civ. Prac. & Rem. Code § 15.031

If the suit is against an executor, administrator, or guardian, as such, to establish a money demand against the estate which he represents, the suit may be brought in the county in which the estate is administered, or if the suit is against an executor, administrator, or guardian growing out of a negligent act or omission of the person whose estate the executor, administrator, or guardian represents, the suit may be brought in the county in which the negligent act or omission of the person whose estate the executor, administrator, or guardian represents occurred.