She Stayed Close To Her Brother’s Ex For The Kids, Now His New Wife Wants Her To Choose Sides

Family loyalty sounds simple in theory. In reality, it gets messy fast, especially when divorce, betrayal, and children are involved.

One woman found herself right in the middle of that mess after her brother’s first marriage fell apart in a way no one in the family could ignore.

What followed wasn’t just a divorce. It was a shift in relationships, priorities, and expectations. And now, with her brother remarried, she’s being pressured to pick a side she has no intention of leaving.

She Stayed Close to Her Brother’s Ex for the Kids, Now His New Wife Wants Her to Choose Sides
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Here’s the original post:

'AITAH for including my former SIL in dinners and parties I host even if my brother's current wife hates it?'

My brother is the reason his first marriage failed. He admits he got bored of his wife, was tired of being a husband and father with responsibilities.

He told some awful lies including the fact he was depressed with SI and pretended to see a therapist when he was really sleeping with other women.

He quit his job and blamed it on that while laughing about it with his friends, there were texts as proof.

And he shamed his ex-wife for ever struggling herself saying that he was going through so much and she was going to push him over the edge.

One of his friends eventually felt guilty about how far he took it and told former SIL and my family. She left him and he tried to turn everyone against...

I stuck by her and was disgusted by all the things my brother had done. The rest of my family were upset with him but said we couldn't write him...

I didn't think he should even see the kids when he's like that but he was given visitation (every other weekend).

Former SIL and I are very good friends now and I invite her to events I host. She invites me to my niece and nephews birthday parties.

We meet for lunch and other stuff regularly too. While I really only see my brother for family functions.

He remarried a few months ago and his current wife is all up in her feelings about my relationship with my former SIL.

But her big issue is the fact I invite former SIL to dinners and parties. She feels it's disrespectful to her as the current SIL and someone former SIL has...

His new wife feels very entitled to be more involved with the kids and has shamed my former SIL for keeping his contact with the kids to a minimum.

Some of my family members have asked me if I'm really going to let a friendship with former SIL come between the family and they asked how this is good...

I told them showing support to the only good parent they have and the person who has done all she can to protect them is better than

standing by the person who lied so he wouldn't have to lift a finger for them.. AITAH?

A Divorce That Changed Everything

According to her, her brother didn’t just drift away from his marriage. He actively sabotaged it.

He admitted he got bored. Tired of responsibility. Instead of dealing with it honestly, he lied.

He claimed he was struggling mentally, even pretending to seek therapy, while secretly cheating.

He quit his job and blamed it on his supposed struggles, all while joking about it with friends behind the scenes.

Eventually, one of those friends came forward and told the truth.

That’s when everything broke.

His wife left, understandably, and he tried to spin the narrative in his favor. He attempted to turn the family against her, but it didn’t fully work.

While some relatives chose to keep the peace because “he’s still family,” she didn’t follow that path.

She sided with his ex-wife.

And over time, that connection grew into a real friendship.

Choosing a Relationship That Felt Right

What started as support turned into something deeper. She and her former sister-in-law became close. Not out of obligation, but because they genuinely respected each other.

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They spend time together. They show up for each other’s events. Most importantly, they both stay present in the lives of the children, her niece and nephew.

That part matters to her.

Because from her perspective, the ex-wife is the stable parent. The one who stayed, protected the kids, and handled the fallout of everything her brother caused.

So when she hosts dinners or parties, she invites her. Not as a statement, but because she’s part of her life now.

And that’s exactly what her brother’s new wife can’t accept.

The New Wife Draws a Line

Her brother remarried a few months ago, and his current wife is deeply uncomfortable with the situation.

She sees the continued relationship with the ex-wife as disrespectful. In her mind, as the current spouse, she should come first in family dynamics. Especially when it comes to events and gatherings.

There’s also tension around the kids. The new wife wants to be more involved, while the ex-wife has kept boundaries in place, something that has clearly caused friction between them.

Now, the pressure is growing.

Some family members have started asking whether maintaining this friendship is worth creating division. They’ve questioned whether it’s healthy for the children, or if it’s time to “move on” and prioritize the current marriage.

Her answer has been consistent.

She believes supporting the parent who has shown up for those kids is more important than protecting her brother’s comfort.

When “Family” Stops Being Simple

This situation taps into a bigger question. What actually defines family?

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Research on modern family dynamics shows that emotional bonds often matter more than biological ones, especially after major life changes like divorce.

People tend to maintain relationships that feel safe, supportive, and consistent, even if those relationships don’t fit traditional labels anymore.

In cases involving children, stability becomes even more important. Experts often emphasize that maintaining positive, supportive connections around kids can help them adjust better after separation. That includes extended family members who remain present and consistent.

From that perspective, her choice makes sense.

She’s not just maintaining a friendship. She’s reinforcing a stable support system for her niece and nephew.

At the same time, it’s also understandable why the new wife feels threatened.

Stepfamily dynamics can be complicated, especially when there’s already tension. Feeling like an outsider in your own partner’s family isn’t easy.

But discomfort doesn’t automatically mean someone else is doing something wrong.

Let’s dive into the reactions from Reddit:

Many pointed out that she didn’t just “keep” a former in-law. She built a genuine friendship with someone who, by her account, handled a difficult situation with integrity. 

flukebox − NTA. as far as im concerned, it sounds like you gained a really great sister and "lost" a toxic brother.

new wife doesn't get a say; your former SIL is your friend and mother of your niece+nephew,

why would you burn that bridge just for your brother's new wife? who he'll definitely cheat on someday when he gets bored of her, too.

Outrageous-Arm1945 − My parents had an unpleasant divorce, there was violence from my father. ..

My mother often says one of the worst things that happened was losing my grandmother, my father's mother. It shouldn't have to be that way.

As adults we can choose our family, our people. Why should you have to choose your shithouse brother over a good woman you hold to be your sister?

NTA obvs

SciFiChickie − NTA Once upon a time I was the SIL in the situation. My ex cheated and when I left his sister continued to be my sister.

She refused to allow his choices to ruin our friendship. She was one of my closest friends for years after the divorce.

Right up until she died of a brain aneurysm just two weeks after we celebrated my pregnancy with my 2nd husband.

My daughter will be 12 in a few days and I hate that she never got to know the amazing woman that was her Auntie Marie.

Others highlighted the importance of the kids. Keeping a close relationship with their mother likely helps maintain consistency and emotional security, something they’ll benefit from long-term.

TinLydElli − NTA. I have made the mistake of supporting a terrible family member, ie cutting of ex’s at their request & I regret it. I wish I had been...

But there were no children involved for me thankfully! You are not simply dismissing your new SIL’s feelings you are putting your niece & nephew before her, which is what...

Based on what you have written, my money is on your brother not being honest about original SIL & their break up.

I also think that his marriage is unlikely to last unless he has actually worked on himself.

You sound as though you are former SIL’s ride or die now & ROD’s don’t give up on each other.

You are also a valuable person in those kids lives. The kids are more important at this point.

Their mother sounds lovely too, keep the only good parts of your brother, his kids! !!

hedwigflysagain − NTA, quit inviting him to your home. Ignore the "he is family " He is a n__ty person.

Why would you even have him in your home? He tried to destroy the mother of his own children. That is horrific.

Foreign_Fall_8266 − Nta. My dirtbag deadbeat brother cheated on my former sil and tried to make everyone hate her when he moved on so I claimed her in the separation.

She is the mother of my neice and nephews regardless where my brother dips his wick. I no longer speak to my brother but I celebrate everything with her

A few commenters even suggested a blunt solution. If the new wife is that uncomfortable, maybe the brother and his new partner should skip those events instead.

seestars9 − NTAH. While I can understand how the rest of your family feels about it, I can't see why you should give up a friendship for your new SIL.

It's also not clear that you would have as close a relationship with your niece and nephew if you only connected through your brother. Your brother is a piece of...

Sensitive-School-488 − OP, You are doing right by your xSIL, niece and nephew. Those children ARE family.

Your brother’s current wife hopefully won’t manipulate his children to drive a wedge between them, but I have seen jealous women do just that.

I would sit your brother down and tell him that the priority needs to be the kids and that the mother is a package deal.

He and his wife do not get to dictate your relationship with your niece and nephew.

Menace_78 − NTA. I'm a step parent. All the kids are grown now. But back then I tried hard to make sure my spouse's ex was included in larger family...

To me that's what's best for the kids. Am I friends with my spouse's ex? No. But I certainly can be polite and friendly for the kids' sake.

The new wife needs to see past her own comfort for the sake of the kids. Those kids didn't ask for the divorce.

In your case you are also fostering a great relationship with your nieces and nephews.

Which is so wonderful. Please keep in contact with them. And if you are friends with their mom, that's great.

Family shouldn't have to disappear because of divorce.

DoyoudotheDew − NTA. Keep inviting ex-SIL. Stop inviting brother and current SIL. Problem solved.

Family isn’t always about picking sides. Sometimes it’s about choosing what feels right, even when it makes things complicated.

She didn’t create this situation. Her brother did. And instead of pretending everything is fine, she chose to stay connected to someone she respects and to children who still need stability.

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The real question isn’t whether she’s wrong for keeping that bond.

It’s whether others are asking her to let go of something meaningful just to make things more convenient.

 

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