AITA for inviting my brother’s wife and their kids but not his girlfriend and their daughter on family vacations?
What do you do when family loyalty clashes with fairness? A woman plans family vacations, always including her sister-in-law and her kids. Her brother’s infidelity complicates things. His girlfriend and their daughter are excluded, sparking tension. The girlfriend demands inclusion, citing fairness for her child.
The sister-in-law, still married to the brother, is healing from betrayal. Inviting the girlfriend risks her comfort. Family ties are tested by tough choices. At what point does loyalty to one family member hurt another? Can fairness and forgiveness coexist in such a messy situation?

‘AITA for inviting my brother’s wife and their kids but not his girlfriend and their daughter on family vacations?’
The story begins with a family tradition of vacation planning.

The planner remains loyal to her sister-in-law.


Tensions rise as the girlfriend pushes back.


The conflict peaks with a tough decision.

The conflict centers on a family vacation planner’s choice to exclude her brother’s girlfriend and their daughter. The girlfriend’s demand for inclusion clashes with loyalty to the sister-in-law, who faced betrayal. The planner prioritizes the sister-in-law’s comfort, especially as she reconsiders divorce. Emotions of loyalty, guilt, and fairness fuel the tension. Lack of family consensus escalates the issue.
The planner’s loyalty stems from her bond with the sister-in-law. She fears disrupting her healing. The girlfriend feels rejected, worried about her daughter’s sense of belonging. The brother’s silence suggests avoidance. All parties lack open dialogue, deepening the rift. The daughter’s exclusion risks emotional harm, though unintended.
Family therapist Dr. Susan Heitler states, “Clear boundaries and honest conversations prevent family conflicts from festering” (Psychology Today, 2023). This applies here—unaddressed feelings perpetuate division. The planner’s choice protects one side but alienates another.
Host a family meeting to discuss boundaries. Invite the daughter, not the girlfriend, to foster sibling bonds. Encourage the brother to mediate. Regular check-ins can rebuild trust.
Here’s the feedback from the Reddit community:
Social media users weighed in passionately on the family vacation dispute. Opinions split into support for the planner, criticism of all parties, and calls for fairness to the child.
Many supported excluding the girlfriend, citing her role in the affair.












![[Reddit User] − NTA. You're doing the planning here. Not to excuse your brothers cheating behavior but she shouldn't have slept with a married man. Let the girlfriend plan her...](https://en.aubtu.biz/wp-content/uploads/2025/10/wp-editor-1761450854745-13.webp)
Some questioned the exclusion of the daughter, urging fairness.












A few sought clarity on the family dynamics.


This story highlights the messy fallout of infidelity. The planner’s loyalty to her sister-in-law reflects family bonds but excludes a child caught in the crossfire. Choices have consequences, yet fairness to innocent children matters. Open discussions could ease tensions. Including the daughter, not the girlfriend, might balance compassion and boundaries. Families navigate pain differently, but communication is key.
Would you prioritize a wronged family member or include everyone for fairness? How can families heal when trust is broken?
