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What Evidence Is Needed to Support a Will Contest?

Russell Manning Law PLLC March 20, 2025

Contesting a will can be a complicated and challenging process, often requiring strong evidence to support your case. Whether you're questioning the validity of the will due to undue influence, lack of mental capacity, or concerns about forgery, gathering the right evidence is crucial. 

As an experienced will contest attorney at Russell Manning Law PLLC in Corpus Christi, Texas, I can walk you through the types of evidence that can help back up your claim, from witness testimony to medical records and everything in between. I serve clients in Corpus Christi, South Texas, and the Coastal Bend area.

Grounds for Contesting a Will in Texas

In Texas, a will can be contested on several legal grounds. The most common legal grounds for contesting a will in the state of Texas include:

  • Lack of testamentary capacity: The testator (person making the will) must have been of sound mind when executing the will.

  • Undue influence: The testator was improperly pressured or manipulated into signing the will.

  • Fraud: The testator was deceived into signing a will under false pretenses.

  • Forgery: The will or the testator's signature was forged.

  • Failure to meet legal requirements: The will must comply with Texas legal requirements regarding execution and witness signatures.

  • Revocation: The testator may have revoked the will before their death.

Each of these claims requires substantial evidence to prove in court.

Evidence Needed for a Will Contest

Moreover, to successfully challenge a will in Texas, the contestant must provide evidence supporting their claim. The type of evidence varies depending on the specific ground for contesting the will.

Evidence for Lack of Testamentary Capacity

A testator must have had the mental capacity to understand:

  • The nature of their assets

  • The identity of their beneficiaries

  • The effect of signing a will

Evidence to prove lack of testamentary capacity includes:

  • Medical records: Medical records showing dementia, Alzheimer’s, or other cognitive impairments can be beneficial.

  • Witness testimony: Statements from family, friends, or medical professionals who observed cognitive decline serve as evidence for lack of testamentary capacity.

  • Witness testimony: Psychiatric evaluations assessing the testator’s mental state at the time of will execution are strong evidence, as well.

Proving lack of testamentary capacity demonstrates that the testator was unable to fully comprehend the nature and consequences of their will.

Evidence for Undue Influence

A will may be invalid if someone exerted excessive pressure on the testator. This undue influence can distort the testator's true intentions and lead them to make decisions they wouldn't otherwise have made. Evidence includes:

  • Sudden changes in the will: Significant alterations benefiting one party at the expense of expected heirs.

  • Dependence on the influencer: Proof the testator relied on the alleged influencer for care or decision-making.

  • Isolation: Evidence that the testator was isolated from family and friends before signing the will.

  • Financial transactions: Records showing unexplained asset transfers to the alleged influencer.

In cases of undue influence, it’s important to gather clear, convincing evidence to demonstrate how the influencer’s actions may have impacted the testator’s decisions.

Evidence for Fraud

Fraud occurs when a testator is tricked into signing a will, often by misleading or dishonest actions. Some evidence includes:

  • False statements: Proof that the testator was given misleading information about the will’s contents.

  • Witness testimony: Statements from individuals who were aware of the deception.

  • Conflicting documents: Previous wills or estate planning documents that contradict the contested will.

It's essential to gather strong evidence of deceit in order to prove that the will doesn't accurately reflect the testator's true intentions.

Evidence for Forgery

If a will or signature is forged, it's crucial to gather evidence that proves the authenticity of the document is in question. Evidence includes:

  • Handwriting analysis: Professional analysis comparing the signature with verified samples.

  • Witness testimony: Testimony from those present at the will’s signing.

  • Notary or witness fraud: Evidence that witnesses or a notary weren't actually present.

Uncovering forged signatures requires thorough investigation and analysis to make sure the will isn't valid.

Evidence for Failure to Meet Legal Requirements

Texas law requires that a will be signed by the testator and be witnessed by at least two credible witnesses (if not holographic).

Evidence that the will fails these requirements includes:

  • Unsigned or improperly signed documents: Presenting unsigned or improperly signed documents serves as evidence proving that required signatures are missing. This can also include any issues with the testator's signature, such as being incomplete or incorrectly placed on the document.

  • Invalid witnesses: Evidence demonstrating that witnesses weren't present or not legally qualified can strengthen your will contest. If the witnesses weren't mentally competent or lacked the proper legal standing, their testimony may be invalid.

  • Lack of proper execution: Testimony from witnesses contradicting how the will was signed can prove a lack of proper execution. This could involve discrepancies about the signing process or the presence of the required witnesses.

If the will doesn't meet these legal standards, it may be deemed invalid and open to challenge in court, making it essential to assure proper execution to avoid complications.

Evidence for Revocation

A will may be revoked if the testator destroyed it or replaced it with a newer will, either intentionally or through other actions. Evidence includes:

  • A more recent will: A new, properly executed will superseding the contested one serves as evidence for revocation. This newer will may also reflect updated intentions and distribution of assets.

  • Proof of destruction: Evidence that the testator physically destroyed the will with intent to revoke it proves revocation. This could include testimony or physical evidence of the destruction, such as a torn or burned will.

  • Statements from the testator: Testimony that the testator intended to revoke the will before passing away is also solid evidence. Such statements, if made clearly and consistently, can support the claim that the testator's intentions were to invalidate the old will.

If these forms of evidence are presented, it may be clear that the testator’s true intentions were to revoke the previous will, thus assuring that their latest wishes are honored.

What Is the Role of a Lawyer in a Will Contest?

Contesting a will in Texas involves specific legal steps and gathering detailed evidence to support your claim. A will contest attorney is essential in this process by:

  • Evaluating the case: Assessing the merits of the claim, analyzing available evidence, and determining if there are legal grounds for contesting the will.

  • Collecting and preserving evidence: Obtaining medical records and financial documents, conducting depositions of witnesses, and working with forensic handwriting experts and medical professionals.

  • Filing legal documents: Making sure that all necessary pleadings and documents are filed correctly and within the legal deadlines.

  • Representing clients in court: Presenting arguments, examining witnesses, and cross-examining opposing witnesses if the case proceeds to trial.

  • Negotiating settlements: Negotiating settlements through mediation to fairly distribute assets among heirs and beneficiaries.

With their experience, a will contest attorney can guide you through the details of the legal system to help make sure your case is properly presented and supported.

Contact a Will Contest Attorney Today

Contesting a will in Texas requires substantial evidence and legal knowledge. A will contest attorney can help gather evidence, work through legal procedures, and advocate for beneficiaries' rights.

If you believe a will is invalid, consulting me, Attorney Russell Manning, is a great way to protect your interests and those of your loved ones. I serve clients in Corpus Christi, South Texas, and the Coastal Bend area. Contact my firm today to schedule a consultation.