Talking to Your Other Adult Children About Their Brother or Sister's Future

If you have other children in addition to your adult child with a disability, those siblings have already lived a unique life. They grew up watching one of their parents stretched thinner than most parents are. They likely helped care for their brother or sister from an early age. They may have set aside their own needs many times, sometimes without anyone naming it. And now, as you begin permanency planning, they are often the people the entire family expects will step into your role someday.

Research by the Sibling Leadership Network (siblingleadership.org) consistently finds that adult siblings of people with disabilities feel a profound love for their brother or sister, paired with a quiet, often unspoken anxiety about what their own future will require. Many of them have never been formally asked. They have absorbed the assumption that they will be the next caregiver, without ever being given the chance to say yes, no, or yes with the following limits. The most painful family ruptures around lifelong caregiving usually come from this unspoken assumption, not from selfishness on anyone's part.

The conversation, when it happens, often comes too late. A parent dies suddenly. A medical crisis hits. The disabled sibling is suddenly without a primary caregiver, and the usually-developing sibling has to take on a role they were never asked about, with no preparation, often while grieving. The grief, the responsibility, and the shock all land in the same week.

The respectful alternative is to have the conversation now, while you are well, and to have it as an open conversation rather than a request. The goal is not to extract a promise. The goal is to share information, hear your other child's truth, and find the role that fits both their life and your disabled child's needs. Some siblings want to be the primary guardian or trustee. Some want to be involved but not primary. Some live across the country and can only help from a distance. Some carry trauma from childhood caregiving that makes hands-on care painful. All of these are honest. All of these can be part of a good plan, as long as they are spoken aloud and acknowledged.

This conversation is rarely a single sit-down. It is more often a series of conversations over months, as each piece of the plan takes shape: the trust, the residential decision, the letter of intent, the legal role. The first conversation only needs to open the door. Everything that follows is easier once it is open.

(Sources: Sibling Leadership Network at siblingleadership.org; The Arc Center for Future Planning — Sibling Resources; AAIDD position statements on family support across the lifespan)