Last Will: Conflict Between the First Family and the Second Family

Key practical takeaways

A last will can protect a surviving spouse while preserving an inheritance for children from an earlier relationship. Conflict often arises when the documents do not distinguish those two objectives.

The most useful preventive steps are to:

• Establish the couple’s legal status, including whether Quebec’s parental-union regime applies.
• Calculate what will actually remain in the estate after ownership rights, family-property claims, debts and taxes.
• Decide whether children should inherit immediately or receive property after the surviving spouse’s death.
• Provide clear arrangements for the family home, including expenses, repairs, sale and relocation.
• Coordinate the will with insurance, retirement benefits, a protection mandate and any foreign property.
• Choose an estate liquidator who can administer competing interests impartially.

Leaving everything to a second spouse, with an informal understanding that the children will inherit later, does not reliably protect those children.

Why do first-family and second-family inheritance disputes arise?

Children from a first relationship may see an inheritance as the continuation of their parent’s life’s work. A second spouse may see the same assets as essential to housing, retirement and financial security.

Both concerns can be legitimate. The difficulty is that one property or investment portfolio may be expected to meet several incompatible needs.

Conflict becomes particularly likely when:

• Most of the wealth is tied up in the family home.
• The surviving spouse and adult children have a strained relationship.
• There are children from several relationships, including minors.
• A recent will substantially changes an earlier estate plan.
• One beneficiary also controls the estate administration.
• Family members confuse ownership, inheritance and financial support.

Quebec law does not give a “first family” or “second family” priority as a group. Rights depend on legal relationships, ownership, valid testamentary intentions and obligations that survive death.

Who inherits without a will in Quebec?

Children from different relationships

When a person dies without a will and leaves a spouse entitled to inherit together with children, the spouse generally receives one-third of the net estate and the descendants receive two-thirds.

Children who inherit directly at the same degree generally share equally. A child from the first marriage does not receive less merely because the deceased later remarried. Conversely, a child from the second relationship does not receive priority because that child lived with the deceased.

Where a child died earlier, that child’s descendants may inherit through the applicable representation rules.

A stepchild does not ordinarily inherit automatically from a stepparent without a legal parent-child relationship, such as adoption. A will can provide for that stepchild.

Married spouses, civil-union spouses and unmarried partners

The word “spouse” can describe different legal situations.

The parental-union regime is especially important in blended families. It generally applies automatically when eligible de facto partners become parents of a common child born or adopted on or after June 30, 2025. Parents of an earlier common child may choose to enter the regime. Simply combining two households, each with children from previous relationships, does not create a parental union.

Withdrawing from the parental-union property-sharing rules does not, by itself, remove the surviving partner’s inheritance rights. Quebec guidance on parental union, Chambre des notaires explanation.

Example: three children, two relationships

Daniel dies without a will. He leaves his wife, two children from a first relationship and one child from his second marriage.

Assume that $900,000 remains available for inheritance after all relevant property adjustments, liabilities and expenses. His wife generally receives $300,000. Each of his three children receives $200,000.

These are shares of the net estate. They do not necessarily require every beneficiary to receive a corresponding ownership share in every asset.

Can a will exclude children from a first marriage?

Quebec generally allows a person to choose who inherits. Children do not automatically have a fixed, reserved inheritance simply because they are descendants.

A valid will can therefore leave different amounts to different children, favour a spouse or exclude a child. An unequal distribution is not, by itself, grounds to invalidate the will.

That freedom has limits. In particular, an eligible person entitled to support may claim a financial contribution from the estate. A claim must generally be made within six months after death. Entitlement and amount depend on the claimant’s needs, resources, relationship to the deceased and other relevant circumstances.

A financially independent adult child does not obtain an inheritance merely by describing the distribution as unfair. A dependent child’s position may be substantially different. Certain former spouses receiving support may also have rights against the estate. Quebec guidance on support claims after death.

What property can the will actually distribute?

A will distributes the deceased’s estate. It cannot ordinarily dispose of property belonging to the surviving spouse or another person.

Before calculating inheritances, it may be necessary to:

1. Identify ownership of each asset and the deceased’s actual share.
2. Determine family-patrimony or parental-union property claims.
3. Settle the applicable matrimonial or civil-union property regime.
4. Account for debts, taxes, expenses and other enforceable claims.
5. Identify insurance proceeds and benefits payable outside the estate.

Family patrimony generally involves sharing the net value of specified property, subject to applicable deductions and exclusions. It does not automatically make each spouse the owner of half of every asset.

Consequently, leaving the house to the children does not eliminate a surviving spouse’s property-related claim. The estate may need cash, financing or a sale to satisfy that claim. Quebec guidance on property adjustments before estate distribution.

Marriage contracts, earlier divorce settlements, co-ownership agreements and unpaid obligations can also affect the result.

Does leaving everything to a second spouse protect the children later?

Usually, an outright gift gives the surviving spouse ownership and control.

The spouse may use the inheritance for living expenses, sell the property, make gifts or change their own will. Assets remaining at the spouse’s death will generally pass under that spouse’s estate arrangements.

Children who are named only as replacement beneficiaries if the spouse dies first do not necessarily acquire any right when the spouse survives and inherits.

Example: matching wills with an unexpected result

Nathalie and Robert each make a will leaving everything to the other, with Nathalie’s children inheriting if Robert dies before her.

Nathalie dies first. Robert inherits outright. Years later, he changes his will to benefit his own child.

Unless an enforceable arrangement provides otherwise, Nathalie’s children cannot assume that her original will preserves the assets for them. Matching wills and verbal assurances do not, on their own, create that protection.

How can a will balance the spouse’s needs and the children’s inheritance?

Divide the estate at the first death

The will can leave specified assets, amounts or percentages to the spouse and children immediately.

This gives children a direct entitlement and reduces dependence on the survivor’s future decisions. However, it may leave the spouse with insufficient income or require the sale of an important asset.

Fixed cash gifts can become disproportionate as wealth changes. Percentage gifts adapt to estate size, but their actual value remains uncertain. Both require attention to debts, taxes and liquidity.

Give the spouse a right to occupy or use the home

A properly structured right of use or usufruct can allow the spouse to benefit from a residence while preserving ownership interests for the children.

The arrangement must address more than permission to remain in the house. Important questions include:

• Who pays taxes, insurance, utilities and repairs?
• Who funds major renovations or mortgage payments?
• Can the spouse rent the property?
• What happens after permanent relocation or admission to a care residence?
• Can the house be sold and replaced with a smaller residence?
• How does the arrangement end?

A right of use and a usufruct have different legal effects. Neither should be treated as a generic substitute for outright ownership.

These arrangements can preserve a particular property, but they may also create years of financial interaction between people who disagree.

Establish a testamentary trust

A testamentary trust can hold assets for the spouse’s benefit, with remaining property eventually passing to designated children.

Its usefulness depends on the instructions governing income, capital, housing and distributions. If the spouse can receive capital for substantial needs, the amount ultimately reaching the children may decrease considerably.

Trusts also require administration, accounting, tax filings and appropriate trustees. A beneficiary acting as trustee must act jointly with a trustee who is neither the person establishing the trust nor a beneficiary.

A trust can organize competing interests, but it does not automatically guarantee capital preservation or tax savings.

Use life insurance to fund a separate benefit

Insurance can provide money to one group while other property passes to another. For example, the spouse might receive the home while children receive insurance proceeds.

This may reduce pressure to sell assets. Its effectiveness depends on coverage remaining in force, affordability, beneficiary arrangements and the amount available at death.

Insurance paid directly to a designated beneficiary generally falls outside the estate. That money therefore does not automatically fund the estate’s taxes or other obligations. Quebec guidance on life insurance and estates.

These approaches can be combined. The appropriate balance depends on actual needs and available resources.

Why is the family home often the main source of conflict?

The home combines financial value with emotional attachment and immediate housing needs.

If the spouse and children become co-owners, they may disagree about occupation, compensation, maintenance, renovations, valuation or sale. Co-ownership does not necessarily require them to remain owners together indefinitely; partition may be sought, subject to applicable restrictions and postponements.

A workable plan may provide for a buyout, an independent valuation process and enough time to obtain financing. However, a buyout right is of little practical use if the intended purchaser cannot afford it.

Quebec co-ownership also should not be confused with an automatic right of survivorship found in some other jurisdictions. Buying a home together does not, by itself, ensure that the deceased’s share passes to the survivor.

How do insurance, retirement benefits and taxes change the balance?

The will is only part of the financial picture.

A pension plan may give a qualifying spouse priority that the will cannot simply override. Its definition of spouse may differ from the definition used for inheritance. An unmarried partner who does not inherit automatically may nevertheless qualify for survivor benefits.

Registered savings require separate attention. Ordinary Quebec bank or investment RRSPs and RRIFs generally pass through the estate; certain insurance-based arrangements operate differently. Beneficiary practices from another province should not be assumed to apply.

Taxes can also make equal-looking gifts unequal. A registered retirement account, a residence and cash with the same stated value may produce very different net benefits.

A sound comparison considers who receives each asset, who bears the associated tax and whether a qualifying transfer can defer taxation.

Should the second spouse act as liquidator?

A spouse or child can legally serve as liquidator. Being a beneficiary does not automatically disqualify the person.

Nevertheless, practical conflicts can arise when the liquidator must assess their own property claim, negotiate a home purchase or decide how to allocate assets among competing beneficiaries.

An independent liquidator can improve confidence, although professional administration involves costs. Appointing one representative from each family may appear balanced but can produce deadlock.

Clear powers, replacement arrangements, valuation methods and regular accounting are often more useful than simply increasing the number of decision-makers.

The liquidator must administer the estate according to the applicable duties and the will. The role does not permit rewriting the deceased’s distribution because it seems unfair.

Can children challenge a will benefiting a second spouse?

A challenge requires a legal basis. Possible issues include lack of testamentary capacity, fraud, coercion, manipulative conduct affecting consent, or failure to satisfy required formalities.

A new relationship, unequal inheritance or a late change does not prove invalidity. Neither does a diagnosis automatically establish that the person lacked capacity when signing.

A notarial will offers important safeguards and generally avoids the post-death verification required for handwritten and witnessed wills. It remains possible to challenge it on legally sufficient grounds. Quebec guidance on notarial wills.

Useful preventive measures include private instructions, independent discussion of significant changes, reliable records and an appropriate capacity assessment where circumstances warrant one. A beneficiary should not control the entire preparation process.

What if incapacity or minor children are involved?

A protection mandate does not replace a will

A protection mandate concerns representation during life if incapacity occurs, following the required court process. A will governs transmission at death.

A mandatary or tutor cannot make or change the represented person’s will on that person’s behalf. Nor should estate preservation displace the person’s legitimate needs for housing, care and quality of life.

Separating responsibility for personal care and property, with suitable reporting arrangements, may reduce family tension.

A will cannot simply replace a surviving legal parent

A testamentary tutor designation does not ordinarily displace a surviving legal parent who remains entitled to exercise parental responsibilities.

However, the management of inherited assets can sometimes be entrusted separately to a third-party administrator or a trust. Where an adult’s own interests conflict with those of a minor, independent representation or specific authorization may be necessary.

The plan should distinguish responsibility for the child from responsibility for the inheritance.

What changes when property or family members are abroad?

A Quebec will does not ensure that Quebec inheritance rules govern every asset worldwide.

Under Quebec’s general conflict-of-laws approach, movable property is ordinarily connected to the deceased’s last domicile, while immovable property is connected to its location. A permitted choice of governing law may help coordinate the estate, but important limits protect certain family rights and special property rules.

Foreign authorities may apply their own rules concerning protected inheritance shares, spouses, trusts, taxes and estate administration.

Separate wills can sometimes assist, provided their scope is coordinated so that one does not unintentionally revoke another.

What should happen when a dispute has already started?

The immediate priorities are to identify the latest valid will, preserve assets, establish ownership and obtain an accurate inventory.

Family members should distinguish a disagreement about the will’s validity from a dispute about its interpretation, estate administration or property claims. The appropriate remedy depends on that distinction.

Informal removal of belongings or premature distribution can worsen the situation. Mediation may help resolve valuation, occupation or buyout disputes, but a settlement must respect creditors’ rights and protections for minors or incapable adults.

A plan that works at both deaths

Preventing conflict between a first family and a second family requires more than naming beneficiaries.

The essential questions are who owns the assets, what obligations must be paid, how the survivor will live and what the children are actually entitled to receive. Those questions must be answered for the first death and, where relevant, for the survivor’s later death.

A clear, financially realistic plan gives each person a defined position and reduces dependence on assumptions that may no longer hold years later.

This text is provided for legal information purposes only. If you have a specific question regarding your personal situation, please contact a lawyer.

Allen Madelin Avocats offer consultations both in person and via videoconference. The first consultation is offered for $125.For more information, please contact us by telephone: 1 514 904 4017 or by e-mail: [email protected].