TREADSTONE LAW · ONTARIO · DIGITAL LEGAL SERVICES · EST. MMXXI ·TSL
Home/Case Studies/Wills & Estates
№ 165 Case Study — Wills & Estates

Why Two Matching Wills Did Not Bind a Later Change in Orillia

Relatives challenging a later will pointed to two old, near-identical wills as proof of a binding pact. What that argument required, and what it left out, decided whether a caregiver kept his home.

Wills & Estates8 min readOrillia, OntarioEnforcing a mutual wills agreement
All Wills & Estates case studies
ClientMarek, a caregiver named in a later will after two spouses had made near-identical earlier ones
The issueRelatives argued that two old matching wills were a binding mutual wills pact, meaning a later will naming the caregiver could not stand
ServiceDefended the later will by showing the earlier wills lacked the agreement mutual wills law actually requires
ResolutionThe mutual wills claim was withdrawn before trial and the later will naming the caregiver was upheld

The situation

What Marek was actually afraid of, when he first called, was not losing an inheritance in the abstract. It was having to move out of the only home he had lived in for six years, the one he had helped Ghada manage through failing health after Karim died, while a legal argument he did not fully understand played out in the background.

Karim and Ghada had married later in life, each having grown children from earlier relationships who lived elsewhere and visited rarely. Karim had spent most of his working life as a hotel front-desk supervisor before retiring, and the couple lived modestly on his pension and Ghada's savings. Years before Karim's death, the couple had gone together to a lawyer and each signed a will, and the two wills happened to be close to identical: each left everything to the surviving spouse, and on the second death, everything was to be split among their combined children. Nothing unusual about that arrangement, and nothing in either document said the wills could not later be changed.

Karim died first. Ghada, in her late seventies by then and managing a chronic illness, relied increasingly on Marek, a neighbour turned informal caregiver who worked as a warehouse worker and had gradually taken on cooking, appointments, and basic home care that Ghada's own children, several hours away, were not positioned to provide. Two years after Karim's death, Ghada made a new will. It reduced what the children would receive and left a specific bequest, along with the right to remain in the home for a period, to Marek.

When Ghada died, her children objected. Their position was that the earlier matching wills she and Karim had signed were mutual wills, a legal arrangement where two people agree that neither will change their will after the other dies, binding the survivor to the original plan. If that argument succeeded, Ghada's later will naming Marek would be unenforceable, and her estate, worth somewhere between one hundred twenty and three hundred thousand dollars, would be distributed as if the second will had never been written.

Marek had never expected to be at the centre of a legal dispute. He had taken on Ghada's care gradually, one appointment and one grocery run at a time, without any thought of what her will might eventually say. When she told him, a year or so before her death, that she had changed her will to include him, he had thanked her and moved on, not realizing how much that decision would come to matter once her children learned of it after her death.

The complication

Mutual wills is a real doctrine, and it does sometimes stop a survivor from rewriting a plan the couple agreed to together. But it asks for something specific that matching wording alone does not provide: clear evidence that the two people made a binding agreement, at the time they signed, not to revoke or change their wills after the first death. Two people choosing similar wording because a lawyer drafted them a standard reciprocal plan is common and, on its own, is not that agreement.

Ghada's children had no written agreement to point to. What they had was the fact of the matching wills themselves, family recollection that the couple had 'always said' they wanted the estate split evenly among all the children, and a strong sense, understandable given the family history, that Ghada's later change felt like a departure from what everyone had assumed was settled.

The complication for Marek was that he had tried to handle the challenge himself for several months before coming to us. He had written to the children's lawyer directly, made some informal concessions in correspondence about staying in the home only temporarily, and had not preserved several relevant records, including text messages with Ghada from the period when the second will was made, that would later have been useful evidence of her intentions and her capacity at the time. By the time he retained us, a notice of application challenging the later will had already been filed, and some of the ground had to be recovered rather than built from scratch.

There was also a genuine legal question buried in the file, separate from the mutual wills argument: whether Ghada had the mental capacity, given her declining health, to properly understand and approve the changes in her later will. That question needed its own evidence, distinct from the mutual wills theory, and needed to be addressed carefully so the two arguments did not get tangled together in a way that weakened both.

Adding to the pressure, Marek was living on a warehouse worker's income and had no real savings set aside for legal fees, which was part of why he had tried to manage the early correspondence himself. Ghada's children, by contrast, were coordinating through a single lawyer and splitting costs three ways, giving them more room to press the claim than Marek initially had to defend it. That imbalance was part of the reality of the file from the start, not something either side hid.

What we did

  1. Separated the two legal arguments the children were making before responding to either one. A mutual wills claim and a capacity challenge call for entirely different evidence and different letters, and Marek's own earlier correspondence, sent before we were retained, had blurred the two together in ways that risked weakening both. Untangling them first gave the file a clear structure to build the rest of the response around.
  2. Reviewed everything Marek had already sent to the children's lawyer before we were retained, to understand exactly what ground had already shifted and what could still be corrected. Some of his informal statements could be clarified without much difficulty. Others, particularly around the temporary nature of his stay in the home, needed to be addressed directly rather than ignored, since silence on a prior statement can sometimes be read as agreement with it.
  3. Requested the file from the lawyer who had drafted Karim and Ghada's original wills. Retainer notes and drafting instructions showed no discussion of a binding non-revocation agreement, only standard reciprocal planning language the firm used for many couples. That absence mattered as much as any single document would have, because the burden was on the children to prove an agreement existed, not on Marek to disprove one.
  4. Reconstructed the evidence of Ghada's later intentions that could still be recovered, and obtained the file from the lawyer who prepared her later will, including their contemporaneous notes on her instructions and their assessment of her capacity at signing. A neighbour who had witnessed conversations about the new will, and that same lawyer, both confirmed Ghada had discussed her reasoning clearly and consistently over several visits, giving us corroborating evidence of both her intentions and her capacity from two independent sources.
  5. Wrote to the children's counsel setting out the mutual wills law directly, explaining what proof the doctrine actually requires and pointing to the absence of any agreement in the original drafting file, inviting them to reconsider the claim's strength before further costs were incurred on either side. Alongside that letter, we gave Marek a plain-language assessment of where the case stood: strong evidence, not an absolute guarantee, so he could weigh his next steps against a realistic picture of the risk.
  6. Addressed the capacity question head-on rather than leaving it as background noise, gathering the treating physician's contemporaneous records from around the time the later will was signed. Those records showed no indication of cognitive impairment affecting Ghada's decision-making at that point, which meant the capacity issue could be answered with objective medical evidence rather than left to compete with the mutual wills argument for the same attention.
  7. Corrected the informal concessions Marek had made earlier about only staying in the home temporarily, clarifying in formal correspondence that his rights under the actual later will were not altered by anything said before counsel was retained. Putting that correction in writing early meant the earlier, unadvised statements could not later be used to argue he had accepted a lesser position than the will actually gave him.

The outcome

Faced with the drafting file showing no non-revocation agreement and a documented capacity assessment supporting Ghada's later instructions, the children's counsel withdrew the mutual wills claim before the matter reached a hearing. The later will was upheld, and Marek received the bequest and the right to remain in the home for the period Ghada had set out.

The case did not end with the children walking away with nothing. As part of resolving the file, some estate expenses that had built up during the dispute were shared, and Marek agreed to a modest adjustment to the timeline for vacating the home rather than the open-ended period the original will language technically allowed, a practical compromise that avoided further conflict without conceding the substance of the claim.

For Marek, the outcome meant the caregiving relationship he had built with Ghada was respected as she had intended it, rather than being overridden by an assumption, however understandable, that identical old wills locked her into a plan she was legally free to change. The months he had spent trying to manage the dispute alone before calling us had cost some of the file's early evidence, a reminder that in disputes over testamentary intentions, records made close to the time in question tend to matter more than recollection gathered later.

The relationship between Marek and Ghada's children did not fully repair; they had not been close before the dispute and the challenge left some distance that a negotiated withdrawal did not erase. But it stopped short of a contested hearing, which meant estate funds that would otherwise have gone to litigation costs were preserved for distribution, and Marek was not put through months of uncertainty waiting on a court date.

For a caregiver of modest means who had come close to managing a serious legal claim entirely on his own, the outcome also underlined how much timing had mattered. Coming to us even a few weeks earlier would have preserved more of the original correspondence with Ghada. Coming to us when he did was late enough to cost something, but not so late that the file could not still be rebuilt around the evidence that remained.

What you can learn from this

  • Two wills matching in wording are not automatically 'mutual wills.' The doctrine requires clear proof of an agreement not to revoke, not just similar drafting from the same lawyer at the same appointment.
  • The burden of proving a mutual wills agreement falls on the person claiming it exists. An original drafting file showing no such agreement can be decisive evidence, even without a dramatic witness account.
  • If a will is being challenged on more than one legal theory at once, keep the arguments separate in your response. Blurring a mutual wills claim with a capacity question weakens the response to both.
  • Contact a lawyer before responding to a will challenge yourself, even informally. Early concessions made in good faith, and records not preserved, are hard to undo once a formal claim is filed.
  • Contemporaneous notes from the lawyer who prepared a later will, and from a treating physician around the same time, are often the strongest evidence of both intentions and capacity years after the fact.
This case study is entirely fictional. It does not describe any real client, file, or matter handled by Treadstone Law, and it is not a real file with details changed. All names, people, properties, businesses, dollar amounts, dates, and events are invented, and any resemblance to a real person, business, or situation is coincidental. Fictional scenarios like this one illustrate the kinds of legal issues people in Ontario commonly face and how a lawyer can help. They are general information, not legal advice — no two matters unfold the same way, and nothing here predicts the outcome of any real case. Reading a case study does not create a lawyer-client relationship. If you are facing something similar, speak with a lawyer about your specific circumstances.

This is a wills & estates problem we handle

Start a file online — flat, published fees, reviewed by a licensed lawyer before a dollar is owed.

ContactStart a File →