A statutory probate court has concurrent jurisdiction with the district court in:
(1) a personal injury, survival, or wrongful death action by or against a person in the person's capacity as a personal representative;
(2) an action by or against a trustee;
(3) an action involving an inter vivos trust, testamentary trust, or charitable trust, including a charitable trust as defined by Section 123.001, Property Code;
(4) an action involving a personal representative of an estate in which each other party aligned with the personal representative is not an interested person in that estate;
(5) an action against an agent or former agent under a power of attorney arising out of the agent's performance of the duties of an agent; and
(6) an action to determine the validity of a power of attorney or to determine an agent's rights, powers, or duties under a power of attorney.
Official text of the Texas Estates Code as published by the Texas Legislative Council.