Can Blending Families Affect Your Estate Planning?

Blog

BY BRYDENS LAWYERS | Sep 29, 2025

Can Blending Families Affect Your Estate Planning?

Modern households have grown increasingly complex, with blended families becoming more the norm than the exception. These family units often consist of spouses who each bring children from previous relationships and any children they may have together. While they can foster loving and supportive environments, they also present delicate challenges when trying to navigate estate planning for blended families.

A standard Will that divides assets evenly or leaves everything to a surviving spouse may not adequately reflect the needs of all individuals intended to be provided for. Without careful planning, there is a real risk that children from a first marriage or stepchildren could be unintentionally left out of the Will prepared on behalf of members of blended families.

Common Risks in Estate Planning After Second Marriages

1. Unintended Disinheritance

One of the biggest sources of conflict is cases where children from an earlier relationship may miss out on their fair share. Assets left solely to a surviving spouse give them the control to distribute property according to their wishes. For example, if you leave everything to your new spouse, they may later decide, intentionally or unintentionally, not to provide for your children.

2. Family Provision Claims

In New South Wales, the children of previous marriages, stepchildren, and even former partners who believe they have not been adequately provided for can contest a Will through a family provision claim made in the Supreme Court. It allows parties to seek an equitable distribution that reflects their relationship with the deceased more accurately.

However, these claims can complicate familial relationships at an already emotional time. If not resolved promptly, lengthy court proceedings may diminish the estate’s value through escalating legal costs.

3. Stepchildren’s Inheritance Rights

Unlike biological or legally adopted children, step kids are not automatically entitled to inherit under NSW intestacy laws where there is an absence of a valid Will. However, they may still be eligible to contest a Will if they were financially dependent on the dearly departed.

4. Competing Claims

Conflicts between beneficiaries, including spouses, biological children, and stepchildren, can make transferring possession and ownership of property difficult after passing. Disagreements over property ownership, superannuation, or business assets are common and can damage relationships that were once strong and united.

5. Financial and Emotional Costs

When estate plans are unclear or contested, it can result in costly litigation and years of stress for family members. This makes it more important to consult a NSW estate lawyer from Brydens Lawyers. They can help you record your last Will and Testament, listing who you want to inherit to minimise the chance of conflict.

Whether you are planning for the distant future or you have already enjoyed a blessed life, organising your estate allows your loved ones to focus on what matters most when the time comes — family and friends.

Tools to Support Estate Planning in Blended Families

Fortunately, there are legal mechanisms that can help balance fairness with certainty, ensuring all family members equitably benefit from your legacy. They include:

● Testamentary Trusts

A Will creates these trusts and can provide ongoing financial support to children and partners in blended families. They allow you to maintain some control over your assets after passing, ensuring they are protected long-term, particularly where there are worries about responsible money management.

If you are concerned about your partner starting a new relationship, testamentary trusts allow you to prevent the new spouse from benefiting from your legacy.

● Mutual Wills

Mutual Wills are binding agreements that formally record the distribution of assets. They are a popular option for many blended families, allowing spouses to maintain the enjoyment of property while ensuring that all included assets will be for the ultimate benefit of biological and stepchildren. Mutual Wills prevent the surviving spouse from changing the Will and disinheriting beneficiaries.

● Binding Financial Agreements (BFA)

Often used during marriage or de facto relationships, these agreements clarify how property and assets will be divided. When paired with a carefully structured estate plan, they can reduce uncertainty and limit potential disputes.

● Life Interest

Otherwise known as the Right of Residence, they can be an advantageous option for second marriage estate planning. Life Interest agreements allow property ownership to be transferred to children, while giving the widow the legal right to use and enjoy the property for the duration of their life.

When to Review Your Will

Life rarely stands still, and neither should your Will and Estate plan. It’s important to review your Will after:

Marriage or entering a de facto relationship

Divorce or separation

The birth of a child or grandchild

Acquiring or selling significant assets

Changes in financial circumstances or family dynamics

Regular reviews ensure that your Wills for blended families remain aligned with your wishes and provide for those who matter most.

Find Clarity Over Your Blended Family Estate Planning With Brydens Lawyers

Blended families bring unique opportunities for love and connection, but they also add layers of complexity to Wills and Estate planning. Without the right legal guidance, well-intentioned plans can result in disputes, financial strain, or loved ones being unintentionally excluded. By putting clear and comprehensive arrangements in place, you can provide security for your spouse, biological children, and stepkids.

At Brydens Lawyers, we understand the sensitivities of managing a mixed household. Our expert estate lawyers in New South Wales will guide you through drafting or updating your Will, creating trusts, or putting agreements in place to ensure your legacy is honoured exactly as you intend.

Take the stress out of tomorrow — book a consultation with our experienced NSW estate lawyers today for complete peace of mind.

Ready to make a claim?
 Get started with Brydens Lawyers today!

We're here to assist you in claiming the compensation you deserve on a No Win, No Fee* basis. Enquire now to start your claim today. *Conditions apply.

Start My Claim