What Is Predatory Marriage In A Will Dispute?

About Our Legal Expert: This content is produced with oversight by Michael Jefferies, Managing Director who has over 30 years’ legal experience.

Written by Tanya Waterworth, Digital Content Writer

Predatory Marriage and Contentious Probate Disputes

What is predatory marriage in a will dispute? This is becoming a more common question in contentious probate cases in England and Wales. Predatory marriage is when a vulnerable person who may be elderly, isolated or cognitively impaired is manipulated into marriage. It’s becoming one of the most troubling issues in will disputes. Families may often only discover the problem after a loved one has died, when the legal consequences are already locked in. This is because the law treats a valid marriage as automatically revoking any earlier will, which means the surviving spouse inherits. When the marriage was engineered by someone exploiting a vulnerable person, the outcome can feel very wrong for families.

Our article explains why a predatory marriage matters in a probate dispute and the steps you should take next to start a contentious probate claim if you’re facing this challenge after the death of a loved one.

What Does a Predatory Marriage Involve?

The predator’s goal is simple: secure inheritance rights that override any previous will for financial gain.

In England and Wales, marriage has a powerful legal effect. Under section 18 of the Wills Act 1837, a valid marriage revokes any earlier will unless the will was expressly made in contemplation of that marriage. This means that even if the deceased had a carefully drafted will leaving their estate to children or other relatives, a predatory spouse may inherit everything if the marriage stands.

The UK’s Law Commission has issued a report to modernise and reform contentious probate laws in the Wills Act 1837, many which are outdated. This includes a recommendation “abolishing the existing rule that a person’s will is automatically revoked when they marry or enter a civil partnership. This rule can be exploited by those who enter a predatory marriage with a vulnerable person”.  The government still has to review and consider the report’s recommendations. In the meanwhile, the Wills Act 1837 still stands.

Predatory marriage typically involves one or more of the following:

• Cognitive decline such as dementia or reduced mental capacity.
• Isolation from family or long‑standing friends.
• Dependence on the predator for care, transport, or daily needs.
• Manipulation or coercion that pressures the vulnerable person into marriage.
• Secrecy, including rushed ceremonies or marriages conducted without family knowledge.

Currently, the law requires only that the person understands the nature of marriage and its basic consequences. This threshold is lower than the test for testamentary capacity. As a result, someone may lack capacity to make a valid will but still be considered capable of entering a marriage. The Law Commission has further recommended that only the modern test in the Mental Capacity Act 2005 should apply.

How Predatory Marriage Leads to Contentious Probate

Contentious probate claims are when someone challenges the validity of a will or the distribution of an estate. Predatory marriage disputes often surface because:

• The marriage revoked an earlier will.
• The deceased lacked mental capacity at the time of marriage.
• The marriage was procured through undue influence or coercion.
• The surviving spouse claims the entire estate under intestacy rules.
• Family members believe the marriage was engineered for financial gain.

The core legal question becomes whether the marriage was valid. If the marriage is declared void, the earlier will stands. If the marriage remains valid, the spouse’s inheritance rights remain intact.

How to Start a Contentious Probate Claim Involving Predatory Marriage

The contentious probate process is structured, but it’s advisable that you act quickly because estate administration can move fast. Here’s what to do next:

1. Gather Evidence Immediately

You should collect all available evidence relating to the deceased’s capacity, vulnerability, and relationship with the alleged predator. Useful evidence can include:

• Medical records showing cognitive decline.
• Care‑home notes or GP observations.
• Witness statements from friends, neighbours, or carers.
• Financial records showing unusual transactions.
• Marriage certificates and any documentation surrounding the ceremony.

This evidence helps to establish whether the deceased really understood the nature of what they were doing and consequences of marriage.

2. Seek Specialist Contentious Probate Advice

Predatory marriage cases are complex. We partner with contentious probate solicitors who are experienced in these type of capacity disputes. They will assess whether you have grounds to challenge the marriage or the resulting inheritance position.

3. Consider a Claim Under the Inheritance (Provision for Family and Dependants) Act 1975

If the marriage stands, you may still pursue a claim under the 1975 Act. This allows certain individuals, such as children, dependants, or cohabiting partners, to seek reasonable financial provision from the estate. While this does not overturn the marriage, it can rebalance an unfair distribution.

4. Challenge the Validity of the Marriage

If evidence suggests the deceased lacked capacity or was coerced, your solicitor may advise challenging the marriage itself. This is a separate legal process from challenging a will. If successful, the marriage is treated as void, and the earlier will is revived.

5. Enter a Caveat to Pause Probate

A caveat prevents the grant of probate from being issued and your solicitor can help with this. It gives you time to investigate and prepare your claim. A caveat lasts six months and can be renewed.

6. Issue Proceedings if Necessary

If negotiation fails, your solicitor may issue proceedings. Contentious probate litigation often involves expert evidence, witness testimony, and detailed analysis of capacity. The court will decide whether the marriage was valid and how the estate should be distributed.

FAQs: What Should You Do Next If You Suspect a Predatory Marriage?

What if I suspect a predatory marriage but probate has already started?

You can still challenge the marriage or the estate distribution. Act quickly by entering a caveat and seeking legal advice. Probate can be paused while the dispute is resolved.

Can I challenge a marriage after someone has died?

Yes. You can challenge the validity of the marriage after the testator has died if you have evidence of lack of capacity, coercion, or exploitation.

Does a predatory marriage automatically invalidate a will?

A valid marriage revokes earlier wills unless they were made in contemplation of that marriage. If the marriage is invalid, the earlier will stands.

What if the deceased had dementia?

Dementia does not automatically invalidate a marriage. The key question is whether the person understood the nature of marriage at the time. Medical evidence is crucial in this situation.

Can I stop the spouse from inheriting?

If you prove the marriage was invalid, the spouse loses inheritance rights. If the marriage stands, you may still pursue a 1975 Act claim for reasonable financial provision.

How long do contentious probate claims take?

Predatory marriage disputes can take months depending on complexity, evidence, and whether there is court involvement.

Should I speak to a solicitor before entering a caveat?

Yes. A caveat is a powerful tool but has to be used properly. A solicitor will ensure it supports your wider claim rather than complicating it.

What To Do Now

If you believe a loved one was the victim of a predatory marriage, start by gathering evidence, entering a caveat, and seeking specialist legal advice.

Our partner solicitors offer a range of fee structures, including ‘No Win, No Fee’ for certain cases along with other flexible funding. We will give you the support and understanding you need at this difficult time.

For a free, initial consultation:

📞 Call us: 0333 358 3034

📝Visit our Contact Us page