TL;DR
A 2026 Family Court Review article explicitly frames parent-adult child estrangement as a family-systems issue affecting siblings, extended family and future generations.
Recent research also pushes against one-cause stories: personality, socioeconomic context and reported parental behaviors show different associations in different samples.
The dyad can help explain where a relationship broke. It is often too small to explain what the rupture did to everyone around it.

A family can lose one relationship and discover that several others have changed shape around the empty space. A sibling becomes the person who carries news. A spouse becomes the interpreter of silence. Someone stops inviting someone else because one gathering feels easier that way. None of those choices has to be coordinated. Together, they can become the family’s new architecture.
Most of the language around estrangement is built around pairs: parent and child, contact and no contact, harm and boundary. Those pairs matter because the rupture is real between two people. But they can make everybody else look like scenery when, in practice, the rest of the family often gets pulled into the event.
The family moves around the gap
In March, Family Court Review published an article with an unusually direct title: “Estrangement is a systems issue.” Sarah Whiting and Joshua Coleman describe parent-adult child estrangement as emerging from complex interactions that can include intergenerational patterns, unmet needs, unresolved conflicts, individualism and external influences. Their key points widen the impact beyond the parent and adult child to siblings, extended family and future generations.
The part I care about is what that framing refuses to do. It doesn’t require every person in the family to share one motive or even one version of what happened. Systems can reorganize without a conspiracy. One relative may be trying to avoid conflict. Another may be protecting someone they believe was harmed. Another may simply know less than everyone assumes. The motives can differ while the roles still change.
That matters because role changes accumulate. The person who used to be just a brother can become a courier. The spouse who entered the family years later can become an interpreter. A grandparent may become a gate, a bridge or another relationship now carrying pressure from the original break. The family is still a family, but the job description of several relationships has quietly changed.
The dyad can answer only some questions
The dyad is still the right unit for some questions. What happened between these two people? What boundary was set? What harm was alleged or documented? Who chose distance, and what reasons did they give? But it’s too small for a different question: what happened next?
Whiting and Coleman argue that legal and therapeutic professionals can either reinforce divisions or support healthier boundaries and dialogue. That’s a useful reminder that the “system” doesn’t stop at blood relatives. Once a therapist, lawyer or court enters an estranged family’s life, the way that professional frames the conflict can become part of what happens after the original rupture.
That doesn’t make every professional responsible for the estrangement. It means there’s no view from nowhere. A family system keeps responding to the people, institutions and interpretations that enter it.
Siblings inherit the middle
A Parents article published August 6 focuses on a specific version of this problem: one sibling goes no-contact with a parent while another remains connected. The clinicians interviewed describe siblings feeling pressure to pick sides, becoming mediators or taking on more responsibility for a parent who is still in their life.
Once you see that shape, ordinary sibling behavior gets heavier. Mentioning a parent can sound like pressure. Refusing to discuss the parent can be read as alignment. Showing up for a holiday may carry a meaning nobody intended when the invitation was sent. A relationship that once had its own history now has to carry some of the weight of another relationship’s break.
I think this is one way a rupture can reach into other relationships without anyone formally deciding that it should. The family starts solving local problems: who gets invited, who carries information, who handles care, who avoids which subject. Over time, those small adjustments can harden into the new map.
The research gets less tidy
The newer research doesn’t give us one clean causal template. It makes the picture more complicated, which I trust more.
A June 2026 Frontiers in Psychology study looked at 520 parents and adult children recruited from an online estrangement support community. The researchers found some associations between Big Five personality traits and estrangement outcomes, but the paper is unusually clear about its own limits: the design was cross-sectional, the participants were not matched parent-child pairs and the sample was non-representative. The study can’t establish that a personality trait caused an estrangement.
A separate 2026 study in Ageing & Society used eight waves of the Korean Longitudinal Survey of Ageing and 28,038 parent-child dyads. It found that estrangement patterns varied with socioeconomic standing and with parent characteristics including gender and marital status. The authors also flag an important limitation: the measure reflects the parents’ assessment of estrangement, not both sides of the relationship.
Then there is a 2026 UK study of 1,004 adults ages 18 to 25 that measured exposure to 30 parental alienating behaviors and found correlations with greater parental rejection, lower parental acceptance and worse mental-health outcomes. The paper reports that 98.3% of respondents experienced at least one of the measured behaviors. I wouldn’t translate that into “98.3% experienced parental alienation.” That’s a larger claim than the instrument establishes, and the authors themselves call for longitudinal research.
Put those studies next to one another and the temptation to find the one explanation gets harder to defend. They measure different things, in different populations, with different designs. Personality can be part of a model. Socioeconomic and family conditions can be part of a model. Reported parental behaviors can be part of a model. None of those findings earns the right to become the master story for every estranged family.
A map without a verdict
I have written some pieces here from inside a very specific history. I have records, memories and events I can name. I also know the record has edges. It cannot show me every private conversation or tell me why every person around the family made every choice.
A systems frame does not erase individual responsibility. It does something harder: it keeps responsibility from turning into omniscience. I can say what happened in the record. I can say what I experienced. I can say how I interpret the pattern. Those are different sentences, and I want to keep them different.
That may be the most useful thing this research gives me. The value is the wider map, not another diagnosis or a cleaner villain.
The dyad may tell us where the relationship broke. It does not tell us everything that grew around the break.
Author’s Note
This article combines personal reflection with analysis of published research. It reflects my perspective and is not legal, psychological or clinical advice. The studies cited here describe associations and population-level patterns; they do not establish the motives, diagnoses or causes present in any individual family.
Resources & Further Reading
Sarah Whiting & Joshua Coleman (2026), “Estrangement is a systems issue,” Family Court Review, 64(2), 240-253. https://onlinelibrary.wiley.com/doi/full/10.1111/fcre.70066
Sherri Gordon (2026), “Can You Stay Close to a Sibling After Going No-Contact With a Parent? Experts Explain,” Parents. https://www.parents.com/staying-close-with-sibling-after-parent-estrangement-12035289
Jag S. Gill, Matthias J. Barker & Carl P. Nienhuis (2026), “From strain to estrangement: the role of personality in predicting parent-child relational outcomes,” Frontiers in Psychology, 17:1859494. https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2026.1859494/full
Keuntae Kim (2026), “Estrangement between parents and adult children in Korea: patterns and variations by socio-economic conditions,” Ageing & Society, 46, e56. https://www.cambridge.org/core/journals/ageing-and-society/article/estrangement-between-parents-and-adult-children-in-korea-patterns-and-variations-by-socioeconomic-conditions/570338DD68A020B4DE35F5F7FB70CAAF
Benjamin A. Hine, Jennifer J. Harman, Sadie Leder-Elder & Elizabeth A. Bates (2026), “Prevalence and impact of parental alienating behaviors (PABs) in adults aged 18-25 in the United Kingdom,” Frontiers in Public Health, 14:1803173. https://pubmed.ncbi.nlm.nih.gov/42110299/


Thank you for including the research! This is such an important conversation to have for the health of our families and future generations ❤️