Imagine discovering a family secret that had been hidden from you for years, only to have it exposed at work by a sibling you barely knew. That’s exactly what happened to one Reddit user, who found out that her mother had a five-year affair and had a daughter with the man she had the affair with.
The user’s mother had remarried and moved her new husband and daughter into their family home. The user lost contact with them until the daughter joined her company and started working in her department. A family dinner to celebrate their mother’s birthday turns into an explosive argument, with secrets revealed and accusations thrown.
But who is to blame? Was the user right to deny their sister, or were they being unfair and ungrateful to their family? Read the full story to find out.
Family affair causes divorce, remarriage, and 9 year grudge at work.

Hidden sister joins workplace, family secrets spill.

Family drama ensues as woman denies having a sister

Sister feud creates tension at family birthday dinner

Family drama ensues after workplace feud, father demands reconciliation

Daughter confronts father over misused college funds and child support

Unfair treatment in the family?

Sisterly drama escalates to name-calling and social media posts

Family feud over sister’s work behavior, AITA for being harsh?

OP clarifies details on family drama in separate comment thread

Family secrets and lies spill out at a work dinner
A woman’s refusal to acknowledge her sister at work has sparked a family drama that uncovers years of secrets and lies. The woman’s mother had a five-year affair with a man from work, divorced her husband, and married the man.
The man moved in with his daughter, Kylie, from his previous marriage, and the woman lived with them before leaving for college. When Kylie joined the woman’s company and started working in her department, the woman told her not to disclose their relations.
However, Kylie asked the woman to come home for a family dinner, and after the woman agreed, she was bombarded with questions about why she refused to acknowledge Kylie at work. This led to a heated argument where family secrets and financial misdeeds were revealed, causing a rift between the woman and her family.
Some friends and family members are divided on whether the woman is in the wrong. Read on for the comments and reactions to this family drama .
Commenter suggests legal action against cheating mother for stolen money

NTA handles complicated blended family drama with grace and poise

NTA, commenters suggest legal action and exposing truth on social media

Cutting off toxic family members and reporting to HR

NTA stands up against family betrayal, plans legal action and HR involvement

Expose the truth, let the trash take itself out! ️ NTA

Sibling drama and family feuds cutting all ties
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Family drama ensues as commenter takes a stance on sisterhood

Time to go low contact and throw favoritism back

NTA. One-on-one convo w/ Kylie is better, tell Greg off

Commenter questions custody arrangement in family drama.

A dad’s condescending attitude gets him called out. NTA, OP

Standing up for yourself and your finances

Family drama and favoritism, but OP is NTA

Take legal action against greedy family members.

Commenter sympathizes with poster’s family situation, calls out terrible behavior.

Commenter sarcastically questions why OP should be grateful

Family drama over financial support and boundaries

Family financial drama uncovered in comment thread

Why hide the sisterhood? Confusion over family secrets sparks drama.

Setting boundaries with family doesn’t make you the bad guy

NTA stands up to selfish parents with wise legal advice.

Acknowledging your step sister in the workplace is essential

OP had to shut down rumors after Kylie ignored their agreement

Woman refuses to acknowledge step-sister, sparks family feud

NTA for cutting off family who owe you money

Family drama ensues after misdirected anger and social media call-out

OP is NTA for cutting off family who stole from her

Childhood trauma from unfair treatment at father’s home. NTA.

NTA OP’s family stole from her and demands loyalty. Cut them off

Why hide your stepsister?

Curious about the financial situation, commenter asks for more information.

Commenter believes OP is not the a**hole

Family drama at work when bio dad is not acknowledged

Suing for justice ⚖️ Did Kylie know?

Family drama ensues as woman denies sisterhood with step-sibling. NTA.

Dad saves the day

NTA gets a pass, family drama ensues

Protect yourself at work, but don’t let family drama win

Cutting toxic family ties, NTA takes a stand.
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NTA. Consider legal action if evidence of intended money use.

Cutting ties with family for financial justice

College fund stolen, family torn apart. NTA takes stand.

Financially betrayed by family? Explore legal options ⚖️

Calling out family manipulation

Family drama brewing with NTA verdict as the tip-off

A messy situation with no clear judgement, but parents in wrong

User suggests suing for money in family drama

Setting boundaries with family can be tough
