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CROSSOVER: Void Trust-Modification Order Supports Mandamus to Correct Successor-Trustee Appointment in Ongoing Family Settlement Fight

New Texas Court of Appeals Opinion - Analyzed for Family Law Attorneys

In re James E. White, IV, Marti White Wright, Clinton Wesley White, James E. White, III, and Hester Ann White, 08-25-00199-CV, August 31, 2026.

On appeal from 394th District Court, Presidio County, Texas

Synopsis

A trust-modification order entered without joining all designated beneficiaries is void under the Texas Trust Code, and a later trial court cannot rely on that void order to appoint a successor trustee contrary to the trust instrument. In an ongoing family dispute, mandamus was appropriate to vacate the improper trustee appointment and require issuance of a writ of scire facias for the named successor trustee to appear.

Relevance to Family Law

Texas family-law cases frequently spill into trust administration, inherited property, dynasty-planning vehicles, and post-death disputes affecting characterization, control, and settlement authority. This opinion matters because divorce-related property litigation, SAPCR-adjacent estate disputes, and post-judgment enforcement fights often depend on who has authority to act for a trust; if that authority rests on a prior trust order entered without all necessary beneficiaries, the order may be void, and any downstream rulings built on it may be vulnerable to mandamus rather than ordinary appeal.

Case Summary

Fact Summary

The mandamus proceeding arose out of an ongoing intrafamily trust dispute involving multiple members of the White family and a trust referred to in the opinion as Beau’s Trust. After Beau’s death in June 2025, a dispute developed over who should serve as successor trustee. Under the trust instrument, Hester Ann was the named successor trustee. But the Presidio County trial court, with a visiting judge presiding, appointed Connor instead.

That appointment did not arise in a vacuum. The Presidio court relied on an earlier Bastrop County order that had modified Beau’s Trust shortly before Beau’s death. The relators challenged that modification order as void because it had been entered without joining all designated trust beneficiaries in the modification proceeding. Based on that premise, they argued the trial court could not use the Bastrop order to bypass the trustee designated in the trust itself.

Procedurally, the case also developed in an unusual way that matters to appellate practitioners. Several White family members initially sought mandamus, complaining both about the refusal to issue scire facias and the appointment of Connor. Later, while a family settlement agreement was being negotiated, those relators sought dismissal. Hester Ann then moved to intervene and join the petition to preserve the challenge to Connor’s appointment and to seek recognition as successor trustee. The court held that, because the mandamus relief directly affected her interests, she was a real party in interest and could join and continue the proceeding even after the original relators withdrew.

Issues Decided

Rules Applied

The opinion applies a cluster of procedural and trust-administration principles that family lawyers should recognize immediately:

The court also cited Estate of Pollack v. McMurrey, 858 S.W.2d 388, 390 n.2 (Tex. 1993), for the scire facias mechanism, and referenced authority recognizing that a successor trustee may have litigation responsibilities beyond mere wind-up functions.

Application

The court treated the validity of the Bastrop trust-modification order as the hinge point for everything that followed. If that order was void, then the Presidio court had no legitimate basis to displace the successor trustee named in the trust instrument. The appellate court concluded precisely that: because all designated beneficiaries had not been joined in the trust-modification proceeding, the Bastrop order was void. Once that premise was established, the later appointment of Connor could not stand.

From there, the abuse-of-discretion analysis was straightforward. A trial court cannot rely on a void order as legal authority to alter trustee succession. The trust itself named Hester Ann as successor trustee, and the trial court’s refusal to proceed through scire facias to bring her into the case as successor trustee was therefore inconsistent with the governing instrument and controlling law.

The court also addressed an important appellate-procedure wrinkle. Although the original relators sought dismissal after negotiating a proposed family settlement agreement, Hester Ann opposed dismissal and sought to carry the petition forward. The court allowed that path. It reasoned that because the requested mandamus relief directly affected her rights and status as successor trustee, she was already a real party in interest under Rule 52.2. That meant the attempted dismissal by other parties did not eliminate the controversy as to her. Strategically, that is significant: where a trust-governance ruling affects a non-settling family member’s legal status, party realignment and original-proceeding posture may not end the case.

Finally, the court found no adequate remedy by appeal. Trustee appointment in ongoing trust and family-related litigation affects who controls representation of the trust, who can act in pending proceedings, and who can implement or oppose litigation steps in real time. That kind of structural error is exactly the sort that often justifies mandamus relief.

Holding

The court held that the Bastrop County order modifying Beau’s Trust was void because it was entered without joining all designated trust beneficiaries. That defect was not merely procedural in a minor sense; it deprived the order of legal force.

The court further held that the Presidio County trial court abused its discretion by relying on that void modification order to appoint Connor as successor trustee instead of Hester Ann, who was the successor trustee named in the trust instrument. A court cannot use a void trust order to alter trustee succession.

The court also held that Hester Ann had no adequate remedy by appeal and that mandamus relief was proper. It conditionally granted the writ and directed the trial court to vacate the order appointing Connor as successor trustee.

In addition, the court directed the trial court to issue a writ of scire facias requiring Hester Ann to appear as successor trustee in the underlying proceedings. And procedurally, the court permitted the original relators to withdraw while allowing Hester Ann to proceed as the sole relator because the relief directly affected her rights.

Practical Application

For family-law litigators, the immediate lesson is that trust-control questions are often outcome-determinative in property cases, especially where one side’s claimed authority depends on a probate, trust, or ancillary civil order entered elsewhere. Before accepting who purports to act for a trust in a divorce, partition, turnover, enforcement, receivership, or settlement context, confirm that the underlying order establishing that authority is jurisdictionally sound and that all necessary beneficiaries or interested persons were joined.

This case also underscores that family settlement efforts do not necessarily cure a void order in the chain of authority. If a proposed settlement assumes that a particular trustee has authority to bind the trust, but that appointment traces back to a void trust-modification order, the settlement structure may be unstable. In divorce cases involving separate-property trusts, reimbursement claims, distributions, or beneficial interests, the validity of the trustee’s appointment can affect discovery responses, mediation authority, Rule 11 implementation, and approval of trust-related deal terms.

Practitioners should also remember scire facias. In family cases, death does not always halt litigation, but substitution must be handled correctly. If a spouse, trustee, executor, or other fiduciary dies during suit, counsel should evaluate whether scire facias is the correct mechanism to bring in the successor holding the relevant rights or duties. Delay in addressing substitution can distort the litigation record and invite rulings made by or against the wrong legal representative.

Finally, appellate preservation should start at the trial level. If opposing counsel relies on a prior trust or probate order, test whether that order is merely erroneous or truly void. The distinction matters. Voidness can support immediate mandamus in situations where waiting for appeal would leave control of litigation or assets in the hands of the wrong fiduciary.

Checklists

Trust-Authority Verification in Family Litigation

Evaluating Whether a Prior Order Is Void

Using Scire Facias After Death in Ongoing Litigation

Protecting Settlement Structure in Multi-Forum Family Disputes

Mandamus Readiness for Family-Law Practitioners

Family Law Crossover

The procedural rule this case reinforces is that a court cannot alter trust governance through an order entered without all statutorily necessary beneficiaries, and any later court handling related litigation must treat that order as void rather than merely debatable. In family law, that issue can arise when marital-property claims involve a family trust, one spouse is a trustee or beneficiary, or a post-death event shifts control of assets during the case. The companion procedural mechanism is scire facias: when a fiduciary dies during ongoing litigation, the proper successor should be brought in through formal substitution rather than by assumption or informal appearance. In a divorce, enforcement action, declaratory-judgment suit over characterization, or post-judgment property dispute, this case gives litigators a concrete framework for challenging trust-control rulings that rest on defective prior proceedings and for insisting that the legally designated successor be brought before the court.

Citation

In re James E. White, IV, Marti White Wright, Clinton Wesley White, James E. White, III, and Hester Ann White, No. 08-25-00199-CV, ___ S.W.3d ___, 2026 WL ___ (Tex. App.—El Paso Aug. 31, 2026, orig. proceeding) (mem. op.).

Full Opinion

Read the full opinion here

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