Contentious probate disputes arise following a death in connection with an estate. The dispute may concern the validity of a Jersey will, the interpretation of its provisions, or the way executors are administering the estate. In some cases, disputes emerge where there is no will at all, and the estate falls to be dealt with under Jersey’s intestacy rules.
These matters are often both legally complex and emotionally sensitive. At their heart, contentious probate disputes seek to establish whether the deceased’s estate is being dealt with in accordance with Jersey law and, critically, whether the deceased’s true intentions, so far as the law permits, are being respected.
Jersey’s distinct succession regime
Jersey has a succession regime quite different from many other jurisdictions, particularly in relation to movable property such as bank accounts and investments. These remain subject to forced heirship rules, which impose statutory limitations on how a Jersey estate may be left on death, regardless of what the will provides. Immovable property like your house may generally be disposed of freely by will.
Disputes frequently arise where beneficiaries are unaware of these distinctions, or where the terms of a will appear to conflict with Jersey’s succession laws. I regularly see cases where executors or beneficiaries have made decisions based on assumptions about testamentary freedom that simply do not apply in Jersey. The result is often significant delay and expense once the problem is discovered.

Challenges to the validity of a Will
A common trigger for a contentious probate dispute is a late or unexpected change to a will, particularly where it represents a radical departure from earlier testamentary intentions. The sudden exclusion of close family members, or the inclusion of a beneficiary who played a significant role in the deceased’s later life, often raises legitimate concerns.
These cases frequently give rise to allegations of lack of capacity or undue influence, especially where the deceased was elderly, unwell, or dependent on others at the time the will was executed. Evidence such as medical records, witness evidence, and contemporaneous notes from the drafting adviser often becomes central to determining whether the will should be upheld.
Claims commonly centre on three key areas. First, whether the deceased had mental capacity when the will was made, a question that turns on whether they understood the nature and extent of their property and the claims upon it. Second, whether the will was procured by undue influence or pressure, a test that focuses not on whether someone disagreed with the deceased’s decision but on whether their free will was overborne. Third, whether the deceased actually understood and approved the contents of the will they were signing, rather than simply going through a formality without proper knowledge of what they were executing.
Disputes over Estate Administration
Disagreements commonly arise between executors and beneficiaries. Executors in Jersey are subject to strict fiduciary duties and are required to administer the estate promptly, transparently and in accordance with the law.
Concerns may arise where executors fail to progress the administration, refuse to provide information, appear to favour particular beneficiaries, or mishandle estate assets. In serious cases, beneficiaries may apply to court to compel disclosure, challenge executor decisions or seek the removal and replacement of an executor. I have seen situations where an executor’s inaction or secrecy has festered for years, turning a manageable dispute into a costly and acrimonious piece of litigation that could have been resolved early with proper intervention.

Forced Heirship and Intestacy Issues
Unlike some other jurisdictions, Jersey does not permit complete testamentary freedom in all circumstances. Disputes frequently arise where beneficiaries discover that a will is ineffective, in whole or in part, due to forced heirship rules in relation to Jersey movable property.
Similarly, where there is no will, the intestacy rules may produce outcomes that family members regard as unfair or unexpected, leading to disputes over entitlement, valuation and distribution. These disputes are particularly common where a deceased has had multiple relationships or where blended families are involved. The statutory entitlements prescribed by law may not align with family expectations or what the deceased would have chosen.
Why early advice matters
Contentious probate disputes can have a significant emotional and financial impact on families and estates. Early specialist advice is essential to assess the strength of a potential claim, preserve evidence and explore whether matters can be resolved without court proceedings.
Where possible, disputes may be resolved through negotiation or mediation, minimising costs and avoiding unnecessary damage to family relationships. Where litigation is required, a clear and strategic approach is vital to protect both personal and estate interests. The difference between taking advice immediately and waiting weeks or months can be the difference between settlement and an expensive courtroom battle.
If you have concerns about a Jersey estate, a will, or the conduct of an executor, contact me, Advocate Alexander English, to discuss your position. Prompt legal advice can be key to achieving a fair and reasonable outcome.