When Grandparents Become Part of the Conflict. Family Court: Bowen’s Triangulation and Parental Alienation

by | Minnesota Family Law Reform

Wednesday, March 18, 2026 at 9:26 AM

Why triangulation matters in high-conflict custody cases

As a family-systems psychologist might explain, conflict inside a separated family rarely remains dyadic. Under the stress of litigation, fear of losing access to a child, or unresolved trauma, parents frequently recruit a third party, most often a grandparent, adult sibling, or new partner, to relieve their anxiety. Murray Bowen described this as triangulation, tension between two people is displaced onto a third. National custody research shows that triangles form rapidly when litigation drags on, when protective orders are in place, or when extended relatives provide daily childcare. The moment a third adult becomes the “safe harbor,” the child is no longer protected by the original dyad; they become the conduit.

What clinicians are reporting

●        Bowen (1978) documented that anxious parents pull in the “most available” relative to stabilize themselves. Modern therapists see the same pattern: a mother under financial stress leans on her parents for housing, and overnight the grandparents insist on screening phone calls with Dad.

●        Dr. William Bernet notes in the American Journal of Family Therapy that once a third adult joins the conflict, the child is pressed to deliver loyalty signals (“Tell Grandpa if Mom said anything bad about us”). That pressure is a hallmark of parental alienation.

●        Dr. Amy J. L. Baker tracks adult survivors who recall being assigned to “comfort” a grandparent after each court hearing. Those children learned quickly that affection depended on rejecting the other parent.

●        Dr. Jennifer J. Harman categorizes these behaviors as family violence because they manipulate a child’s attachments for power.

Recognizing triangulation in real life

1. Medical triangulation: A grandmother schedules orthodontic consults, excludes the other parent, then emails the child: “Mom never shows up for appointments.” Courts later hear that the targeted parent is “uninvolved in health decisions,” even though the triangle blocked participation.

2. Academic triangulation: A grandfather writes teachers to explain tardies and subtly alleges that Mom is “unstable,” while Dad goes silent and let's parents take the lead. School staff begin routing information to the grandfather instead of the legal parent, eroding the parent–school relationship.

3. Emotional triangulation: A child is told, “If you stay with Mom this weekend, grandma will cry. She already has high blood pressure.” The message is clear: soothing grandma is more important than court-ordered time with Mom.

Each example fractures the direct bond between parent and child. The triangle becomes the primary relationship; the targeted biological parent becomes a subject of debate. Triangulation fractures the direct parent–child bond by inserting a third party into what should be a secure, primary attachment relationship. Instead of the child forming their own understanding of a parent through direct experience, the relationship becomes filtered, interpreted, and often distorted by another adult. This disrupts attachment security, creates confusion about reality, and forces the child into roles they are not developmentally equipped to handle, such as mediator, messenger, or emotional caretaker. Over time, the child learns that connection comes with pressure, guilt, or loyalty conflicts rather than safety and trust. The parent is no longer experienced as a consistent, reliable figure, but as someone defined by competing narratives, which weakens the child’s ability to form a stable, independent bond. When viewed through a broader lens, this dynamic is not only interpersonal, it is shaped by historical and systemic forces.

Historical Trauma & Family Court 

Research by Maria Yellow Horse Brave Heart conceptualizes historical trauma as cumulative emotional and psychological injury across generations resulting from colonization, forced child removal, and cultural disruption, with lasting impacts on family structure and attachment. Similarly, Joy DeGruy identifies Post Traumatic Slave Syndrome as a multigenerational adaptation to oppression, where survival-based relational patterns continue to influence family dynamics today. In this context, triangulation can emerge not simply as dysfunction, but as a learned relational pattern within environments where direct parent–child bonds were historically disrupted, controlled, or mediated by external authority.

When this pattern is repeated across family systems, it becomes multigenerational. Children raised in triangulated environments often internalize these dynamics as “normal” and carry them into adulthood, recreating similar patterns in their own relationships, with partners, their own children, and extended family. A grandparent who triangulates may be continuing a pattern they once experienced themselves, reinforcing cycles of boundary violations, role confusion, and indirect communication. These patterns can be further compounded in modern family court systems, where third parties, whether professionals, extended family members, or institutional actors, may unintentionally replicate triangulated dynamics by filtering communication, shaping narratives, or influencing access between parent and child. For families already navigating disparities, cultural misunderstanding, and unequal access to resources, this can deepen existing inequities and further distance children from their parents under the guise of intervention, and further contribute to statistical data. Without trauma-informed and culturally responsive safeguards, triangulation becomes not just a family pattern, but a systems-level issue, one that places children in the middle, weakens attachment, and carries forward across generations instead of being repaired.

Why triangulation is a form of parental alienation

Parental alienation is not merely badmouthing. It is a sustained campaign to sever a child’s normal attachment to a loving parent. Triangulation accelerates that severing because:

●        The third party supplies constant anxiety (“Your mom can’t be trusted,” “Your dad is the good guy”).

●        The child is rewarded for alliance (extra gifts, privileges, or approval when they refuse the targeted parent).

●        The targeted parent is excluded from caregiving decisions, creating the false record that they are disengaged.

Best interest standards, used nationwide, require courts to assess each parent’s willingness to facilitate the child’s relationship with the other parent. Triangulation is evidence of the opposite. When one parent allows or encourages relatives to supervise communications, alter schedules, or interrogate the child, it demonstrates an unwillingness to support the child’s bond with the other parent. Judges do not need to see insults; they need to see patterns of exclusion and pressure.

 

How triangulation harms the child–parent bond

Mechanism	Impact on child	Best-interest implication
Attachment confusion	Child experiences relief only when siding with the triangle; anxiety spikes with the targeted parent.	Courts see a destabilized bond, raising questions about who is actually meeting emotional needs.
Identity splitting	Child learns to speak differently around each household, suppressing authenticity to avoid upsetting relatives.	Demonstrates the child is carrying adult emotional labor, contrary to best-interest goals of stability.
Decision exclusion	Targeted parent is “forgotten” in medical, schooling, or therapy decisions routed through relatives.	Shows one parent (and their allies) is undermining legal custody rights.
False narratives	Grandparents repeat “Your Mom abandoned us” even when parenting time is court-ordered.	Supports findings that one parent is manufacturing estrangement.

Understanding Triangulation in Family Court

This is a supportive guide to help you better understand family dynamics.

1. Start by paying attention to patterns

If something feels off, trust that instinct. You might begin noticing moments where communication or decisions aren’t happening directly between you and your child. Instead of focusing on one situation, try stepping back and asking: Is this happening repeatedly?

2. Take a step back and look at the full picture

Sometimes things make more sense when you look at them over time. You may find it helpful to mentally map out when changes started and how the dynamic has shifted. This can bring clarity to patterns that didn’t feel obvious in the moment.

3. Reflect on roles and boundaries

Ask yourself: Who is taking on what role right now?

Kids benefit from clear, consistent roles. When other adults begin stepping into a parent’s space, even with good intentions, it can change the dynamic in ways that aren’t always helpful.

4. Tune into your child’s experience

Children often show us what they’re feeling, even if they can’t fully explain it. Are they more anxious? Withdrawn? Feeling like they have to choose or manage adult situations? These are important signals worth paying attention to.

5. Reframe what “help” looks like

Support from others can be a good thing. The key question is: Is this helping my child stay connected to both parents, or is it getting in the middle of that connection?

That distinction can change everything.

Triangulation is predictable, but it is not inevitable. When families recognize the pattern early, they can redirect support toward healing instead of alliance-building.

Sources

·  Bowen, M. (1978). Family Therapy in Clinical Practice. Jason Aronson.

·  Bernet, W. (2010). “Parental Alienation, DSM-5, and ICD-11.” American Journal of Family Therapy, 38(2), 76–187.

·  Baker, A. J. L. (2007). Adult Children of Parental Alienation Syndrome. W. W. Norton.

·  Harman, J. J., Kruk, E., & Hines, D. A. (2018). “Parental Alienating Behaviors: An Unacknowledged Form of Family Violence.” Psychological Bulletin, 144(12), 1275–1299.

·  Brave Heart, M. Y. H. (1998). “The Return to the Sacred Path: Healing the Historical Trauma and Historical Unresolved Grief Response Among the Lakota.” Smith College Studies in Social Work, 68(3), 287–305.

·  Brave Heart, M. Y. H., & DeBruyn, L. M. (1998). “The American Indian Holocaust: Healing Historical Unresolved Grief.” American Indian and Alaska Native Mental Health Research, 8(2), 56–78.

·  DeGruy, J. (2005). Post Traumatic Slave Syndrome: America’s Legacy of Enduring Injury and Healing. Uptone Press.

·  DeGruy, J. (2017). “Post Traumatic Slave Syndrome.” Joy DeGruy Publications and Lectures.

·  Sotero, M. (2006). “A Conceptual Model of Historical Trauma: Implications for Public Health Practice and Research.” Journal of Health Disparities Research and Practice, 1(1), 93–108.