When siblings disagree about an adult guardianship in Colorado, the first step is to identify what is actually disputed. One person may believe a parent needs help with daily decisions, while another agrees that help is needed but objects to the proposed guardian.

Those are different questions. A family disagreement does not by itself establish that an adult needs a guardian, and being the most involved sibling does not automatically decide who should serve. Start with the adult's needs, available support, and existing legal arrangements.

Separate disagreement about care from disagreement about authority

Write down the concern in concrete terms. Is someone missing essential appointments, struggling to understand decisions, or unable to arrange needed care? Or is the disagreement primarily about where the person should live or which relative should help?

Describe what happened, when it happened, and how you know. A statement such as “my sister is taking over” provides less useful information than explaining which decision she made and what authority she says permits it.

Keep personal history in perspective. Long-standing sibling tension may explain why communication is difficult, but it does not answer whether a court appointment is appropriate.

Identify the adult's voice and existing support

The adult remains central to the discussion. Explain what the person has said, what decisions they can manage, and what help is already available. Do not assume that age, a diagnosis, or disagreement with family members establishes incapacity.

The Colorado Judicial Branch's adult-guardianship guidance explains that the court must determine whether the adult needs a guardian. Family preference alone is not the decision.

Tell counsel about medical providers, caregivers, trusted relatives, and other support. The point is to provide an accurate picture, including information that may suggest a less restrictive option rather than a guardianship.

Check what legal documents already exist

Find out whether there are powers of attorney, an existing guardianship order, or other relevant documents. Bring copies to an attorney rather than relying on a relative's description of what a document allows.

The firm's guardianship-versus-power-of-attorney article explains the broader distinction. In a family disagreement, the next question is how the actual documents apply and whether the claimed authority matches their terms.

Do not assume a document resolves every issue or that disagreement automatically invalidates it. An attorney can evaluate its scope and explain which additional information is needed.

Clarify concerns about the proposed guardian

If the disagreement concerns who should serve, explain the specific concern. Availability, distance, financial conflicts, communication, or a history of unmet care responsibilities may raise different questions.

Give counsel examples rather than a list of character judgments. For instance, explain whether the proposed guardian can realistically coordinate appointments or respond to the adult's daily needs. Include relevant strengths as well as concerns so the assessment is not one-sided.

A possible alternative should be considered thoughtfully, not simply named to defeat another sibling. Ask what information the court would need to evaluate the proposed arrangement and what responsibilities the role would involve.

Understand whose lawyer is involved

A lawyer advising one sibling does not automatically advise every family member. Ask who the client is and whether the attorney is available to provide advice to you individually. Participation in a family meeting is not enough to establish that relationship.

If an adult-guardianship case has already started, provide the petition, notices, and any orders you have received. Identify hearing dates or response questions promptly so counsel can evaluate the situation.

Do not rely on informal family discussions as a substitute for responding appropriately to court papers. The required steps depend on the case, and a private agreement may not resolve pending court issues.

Keep care concerns and money concerns distinct

Some disputes involve both personal care and finances. Tell counsel if you are concerned about unpaid bills, account access, missing funds, or the use of property, but do not assume the guardianship question automatically resolves financial authority.

Guardianship and conservatorship services address related but different concerns. Ask which type of legal issue is involved and whether separate steps may be needed.

If there is immediate danger, seek emergency assistance. A routine family discussion or scheduled legal consultation is not a substitute for addressing an urgent threat to the adult's safety.

Prepare for advice without escalating the disagreement

Create a short factual summary: the adult's current situation, the decisions in dispute, existing documents, the proposed guardian, and any approaching court dates. Preserve records appropriately without changing documents or seeking access you are not authorized to have.

Contact Tolison & Williams to discuss the disagreement and whether probate litigation advice is appropriate. The goal is to understand the legal questions while keeping the adult's needs at the center.

Sources: Colorado Judicial Branch: Become the Guardian for an Adult; Tolison & Williams: Probate litigation