Majority Rules Clauses Are Not Always the Answer: Childs v Childs, 2026 ONSC 801

When engaging in estate planning, parents frequently appoint all of their children as joint estate trustees or attorneys for property and personal care, often with the goal of ensuring fairness and avoiding any perception of favouritism. To reduce the potential for conflict and to facilitate decision‑making, testators and grantors commonly include a “majority rules” clause, which provides that, in the event of disagreement, the decision of the majority will prevail.

While such clauses may appear to streamline potential administrative disputes between siblings, the decision in Childs v Childs, 2026 ONSC 801, reminds us that majority rules provisions are not a cure-all, particularly where family relationships are already strained.

Facts

In Childs, the testator’s will appointed her four children as joint estate trustees and included a majority rules clause. However, at the date of the testator’s death, the siblings had long been engaged in protracted litigation concerning guardianship over the testator’s property and personal care. Throughout these proceedings, the judiciary repeatedly noted the entrenched hostility between the siblings, as well as repeated attempts by some siblings to re-litigate issues that had already been determined.

By the time of the testator’s death in 2025, the value of her assets, and later her estate, had been significantly diminished by legal costs, and the conflicts between the siblings remained unresolved.

Following her passing, the central issue became whether the siblings should be permitted to administer the estate in accordance with the will, or whether all four should be passed over in favour of a neutral alternative. One sibling, who sought to remain as estate trustee, argued that the majority rules clause in the will would solve any conflicts that arose among them during the estate administration, and therefore a neutral estate trustee was unnecessary.

Decision

Ultimately, the Court ordered that all four siblings be passed over in favour of a neutral, third-party estate trustee. In reaching this conclusion, the Court emphasized that the level of animosity and mistrust between the siblings was incompatible with the cooperative decision-making required for proper estate administration. The Court was also concerned that substantial accumulated costs awards against some of the siblings could create conflicts of interest and impair their ability to act in the best interests of all beneficiaries.

With respect to the argument that the majority rules clause would solve disagreements between the siblings during administration, the Court noted that the siblings were frequently divided evenly on issues. As the majority rules clause did not include any tie-breaking mechanism, this division rendered the clause practically ineffective and would leave the siblings in a deadlock.

Takeaways

Childs illustrates the practical limits of majority rules clauses and, by extension, practical limits on testamentary autonomy. While courts are generally reluctant to interfere with a testator’s choice of estate trustee or attorney, that choice will be overridden where it is necessary to ensure the proper, efficient, and impartial administration of their affairs or estate.

Childs also reminds testators to be cautious when automatically equating equal appointments under their will to fair treatment amongst their children, and that careful consideration of family dynamics should be given when selecting trustees.