The Crash No Estate Plan Saw Coming

The Seventy-Two-Hour Question

Marcus and Elena Reyes had been married for twenty-two years when a wrong-way driver struck their car on US-380 near Frisco in the summer of 2024. Elena died at the scene. Marcus, critically injured, was airlifted to a trauma center in Plano, where he survived on life support for sixty-eight hours before he, too, was gone.

Their estate plan was solid, by most measures. Both had wills. Their home was held jointly. They had two adult children — Gabriel, 24, who worked as a teacher in Allen, and Isabel, 21, still finishing her degree at UT-Dallas. Marcus also had a daughter from his first marriage: Sophia, 32, a project manager in Dallas who had a civil but distant relationship with Elena.

Sophia's assumption, in the days after her father died, was straightforward: Elena had died first. Marcus had survived her — even briefly — which meant that under a strict reading of the order of death, Marcus had technically inherited from Elena. Marcus's estate, now including whatever Elena had owned, should flow down through his heirs — which included Sophia alongside Gabriel and Isabel.

The estate planning attorney who reviewed the wills had a different answer. Under Section 121.052 of the Texas Estates Code, a beneficiary who survives a decedent by fewer than 120 hours is deemed, for purposes of that decedent's will and intestate succession, to have predeceased the decedent. Marcus had outlived Elena by sixty-eight hours — less than 120. Under Texas law, Marcus was treated as if he had died before Elena ever did.

The assets did not go to Sophia. They went to Gabriel and Isabel.

Sophia was angry. She did not believe it was wrong that she receive nothing — her father's estate plan had always leaned toward his children with Elena, and she had known that. What she could not understand was why sixty-eight hours mattered. Why should the number on the hospital clock have changed anything? And more to the point: had anyone ever actually talked to her father about what should happen if this exact scenario occurred?

The answer was no. Nobody had. Because nobody does.

The Law Texas Families Don't Know Exists

The Texas Simultaneous Death Act — now codified in Chapter 121 of the Texas Estates Code — is a product of practical necessity. Before it existed, courts faced an impossible problem: determining the order of death between people who died in the same accident, when the sequence of death determined who inherited what, and often when that sequence could not be established with any confidence.

The traditional common-law rule was that if the order of death could not be determined, courts presumed simultaneous death — and both estates passed as if the other person had predeceased them. This created its own complications in community property states like Texas, where the distribution of jointly held marital assets depended heavily on the sequence of inheritance.

The Texas Legislature resolved the ambiguity by creating the 120-hour rule. Under Section 121.052 of the Texas Estates Code, an individual who does not survive the decedent by at least 120 hours — five full days — is treated as having predeceased the decedent for purposes of wills, intestate succession, and most non-probate transfers. The rule applies whether the cause of death is the same incident or two separate events occurring close together. It applies to spouses, to children, to any beneficiary named in a will. And unless the governing document specifically provides otherwise, the 120-hour rule fills in what the plan left unsaid.

The rule is not punitive. It exists to prevent property from passing twice in rapid succession — first to a dying heir and then immediately through that heir's estate — generating double probate costs, double administrative delays, and often outcomes that bear no relationship to what the original decedent would have intended. The 120-hour window is long enough to account for slow-developing medical situations while short enough to provide legal certainty.

But it produces outcomes that can surprise the families it affects — particularly when those families include children from prior relationships, aging parents who expected to inherit, or business partners whose ownership stakes were part of the estate plan.

Where Most Texas Estate Plans Break Down

Most Texas wills address the most common scenario: one spouse outlives the other by years, and the surviving spouse handles everything as planned. They leave assets to the surviving spouse, then to children, then to grandchildren. This works beautifully when people die in the sequence everyone expected.

When spouses die close together — whether in the same accident, within days of each other from illness, or within weeks — multiple failure modes appear that a plan built around the ordinary sequence cannot address.

No contingency beneficiary. A will that says "everything to my spouse, and if my spouse does not survive me, to my children" covers the disaster scenario cleanly. But many wills — particularly older ones, and particularly ones using non-attorney templates or forms not updated in fifteen years — stop at "everything to my spouse" and assume the rest will work itself out. When the "rest" involves two simultaneous deaths in a highway accident, it does not work itself out. It litigates.

No successor trustee. A revocable living trust solves many Texas estate planning problems, but only if the trust document names what happens to the trust when both the primary and successor trustee are gone. An unmarried parent with a trust naming themselves as trustee and their child as successor trustee — who then dies with the child in the same accident — has left the trust without any mechanism for administration. A court-appointed receiver or administrator may be required, often at significant delay and cost to the remaining estate.

No contingent beneficiaries on retirement accounts and life insurance. The 120-hour rule applies to wills and intestate succession but does not automatically govern beneficiary designations on IRAs, 401(k) accounts, and life insurance policies unless the designation specifically incorporates it. If a husband names his wife as the sole beneficiary of his IRA and both die in the same event — and the wife is deemed to have predeceased him — where does the account go? To the contingent beneficiary. If there is no contingent beneficiary named, the account falls into the estate and goes through probate, losing the direct-transfer advantage the designation was supposed to create.

Blended family conflict. The Reyes situation is not unusual. One spouse with children from a prior marriage is the most common source of simultaneous-death disputes in Texas probate courts. When the 120-hour rule determines that Marcus predeceased Elena, Sophia's inheritance claim disappears. When the same rule produces the opposite result, Elena's children with Marcus might receive nothing beyond what their mother's estate separately provides. These outcomes may or may not reflect what the couple would have chosen. What is almost certain is that the couple never explicitly chose them — because nobody asked.

Planning for the Unthinkable: What a Complete Estate Plan Addresses

An estate plan that accounts for a common disaster — the scenario most families call "the unthinkable" while quietly knowing it is entirely possible — addresses several questions most plans never ask.

The survivorship requirement in your will. Most professionally drafted Texas wills already include language requiring a beneficiary to survive the decedent by a specified period — often 30 or 90 days — to inherit. This mirrors and reinforces the 120-hour rule while giving the estate enough time to identify who is actually alive before distributions begin. If you have not reviewed your will recently, check whether it contains survivorship language and what it requires.

The "common disaster" clause. More sophisticated wills include an explicit provision addressing what happens if both spouses die in the same event or within the survivorship period. This provision typically specifies which estate is treated as having survived the other for asset distribution purposes, or provides a separate distribution scheme that applies only in the common-disaster scenario. It is particularly important in blended families where the two-sequence outcome produces dramatically different results for different heirs.

The "final" beneficiary. Every will should answer the question: if everyone named in this will dies before me, where do my assets go? For parents with young children, the answer might be a trust for the benefit of their grandchildren or a named guardian's care fund. For older adults, it might be a sibling, a close friend, or a charitable organization. Without this clause — sometimes called the residuary estate's ultimate backstop — an estate without surviving beneficiaries passes by Texas intestate succession, which may produce results the decedent would have found completely at odds with their actual intent.

Contingent beneficiaries on every account. Every financial account with a beneficiary designation — every IRA, 401(k), 403(b), life insurance policy, annuity, payable-on-death bank account, and transfer-on-death investment account — should have both a primary and a contingent beneficiary named. The contingent beneficiary receives the account if the primary beneficiary predeceases the account holder or fails to satisfy the applicable survivorship requirement. Without a contingent beneficiary, the account falls to the estate when the primary beneficiary is gone, defeating the purpose of the designation entirely.

Successor trustees at every level. A revocable living trust should name at least two layers of succession: a successor trustee if the first successor cannot serve, and a mechanism for appointing additional successors if needed. A corporate trustee — a bank or trust company — can serve as the ultimate fallback when all individual trustees are unavailable or unable to serve.

A letter of instruction. Beyond the legal documents, a practical letter of instruction — listing all accounts, beneficiary designations, insurance policies, digital assets, real property, outstanding debts, and emergency contacts — gives the people administering the estate the information they need to act quickly and correctly. In a common disaster, the executor may be a person who has never seen the inside of a brokerage statement. The letter of instruction is how that person knows where to start.

What Texas Community Property Law Adds

Texas is one of nine community property states, which adds another dimension to simultaneous-death planning that most families never think about. Assets acquired during a marriage are generally community property — owned equally by both spouses. When both spouses die, each spouse's half of the community estate must be administered separately, passing through each spouse's will or intestate succession independently.

The practical consequence: a couple who dies together does not simply leave "the estate" to the next generation. Each spouse's half of every community asset must be separately identified, valued, and distributed according to that spouse's governing documents. Without clear testamentary provisions for the common-disaster scenario, this creates an administrative and legal puzzle that can take months to sort out — and that may produce an outcome neither spouse would have recognized as their intent.

Separate property — assets owned before marriage, or received by one spouse as a gift or inheritance during the marriage — adds another layer. A spouse's separate property passes under that spouse's will, not through joint administration. In a common disaster, the separation of community and separate property is the first step before any distribution can occur, and it requires the executor to reconstruct asset ownership at the moment of death for two estates simultaneously.

Back in Frisco

The attorney who handled the Reyes estate worked through the administration without litigation. Gabriel and Isabel, as the named contingent beneficiaries in their parents' wills, inherited both estates cleanly. Sophia received nothing from the estates — but the attorney identified a life insurance policy on Marcus that named her as a secondary beneficiary alongside Gabriel and Isabel in equal shares. The policy paid her approximately $87,000. It was not what she had imagined receiving. It was something.

What the attorney could not undo was the absence of a conversation. Marcus and Elena had never discussed with either set of children what they wanted to happen if both of them died at once. Sophia had never asked. Gabriel and Isabel had been too young, years ago, and it had simply never come up. The 120-hour rule, the contingent beneficiary designations, and the wills together produced a result that was legally correct and practically functional. Whether it was what Marcus and Elena would have chosen is something only they could have answered.

That answer belongs in the estate planning conversation. Not just the technical conversation about 120-hour rules and residuary clauses — though those matter — but the actual conversation between spouses and between parents and children about what matters if everything falls apart at once. Estate plans that hold together in a common disaster are built on clarity about intent, not just legal proficiency in drafting.

Questions a Disaster-Ready Estate Plan Should Answer

If you have not reviewed your estate plan for common-disaster scenarios, these are the questions to bring to a Texas estate planning attorney:

• Do my will and trust documents contain survivorship requirements — and do they specify what happens if both spouses die in the same event?
• Who are the contingent beneficiaries on every retirement account, life insurance policy, and payable-on-death or transfer-on-death account?
• If all primary and contingent beneficiaries predecease me, what does my will or trust direct for the remaining assets?
• Does my trust name a successor trustee if the first named successor cannot serve — and is there a mechanism for appointing a further successor?
• Have I documented all accounts, insurance policies, digital assets, and debts in a letter of instruction the executor will actually be able to find?
• If I have children from a prior relationship, does my estate plan address the two-sequence outcome of a common death — and is that outcome what I actually intend?

Taylor Willingham, the founding attorney at WG Law, has guided more than 10,000 Texas families through estate planning decisions — including the common-disaster provisions and contingency structures that most estate plans overlook. He is the author of five published books on estate planning and elder law and has been recognized as a Super Lawyers Rising Star from 2019 through 2022. Carla Alston, a WG Law estate planning and tax attorney with an LL.M. in Taxation from NYU School of Law and 39 years in practice, brings particular depth to multi-family estate plans where the sequence of death determines outcomes for children from different relationships. WG Law serves clients from offices in McKinney (7701 Eldorado Pkwy, Suite 200) and Southlake (1560 E Southlake Blvd, Suite 100, Office 116), with 350+ five-star Google reviews from families across the DFW metroplex.

Call 214-250-4407 or contact WG Law to request a consultation. An estate plan that handles the ordinary scenarios but fails in an extraordinary one is a plan that hasn't been fully tested. Test it now, while there is still time to fix what it misses.

For related reading, see our articles on blended family estate planning in Texas, beneficiary designation mistakes Texas families make, the unfunded trust mistake in Texas living trusts, and why a will alone does not avoid Texas probate. For a comprehensive review of estate planning services for North Texas families, visit our estate planning practice area page.

This article is provided for general informational purposes only and does not constitute legal advice. Texas Estates Code provisions, the 120-hour survivorship rule, community property classifications, and estate planning outcomes depend on individual facts, governing document language, and applicable law at the time of the relevant events. Nothing in this article should be relied upon as legal advice regarding any specific estate, will, trust, or beneficiary designation. Consult a licensed Texas estate planning attorney before making decisions about your estate plan or the administration of an estate involving simultaneous or closely timed deaths.