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Relationships

Mumsnet has not checked the qualifications of anyone posting here. If you need help urgently or expert advice, please see our domestic violence webguide and/or relationships webguide. Many Mumsnetters experiencing domestic abuse have found this thread helpful: Listen up, everybody

Feel so completely betrayed by my sister. Don’t know what to do.

224 replies

DontWorrryBaldrickHasACunningP · 27/06/2025 18:17

My sister has arranged to go and visit my ex-husband for five days while my DD is visiting him in his home country over the summer holidays.

My marriage was awful. He was aggressive and used to threaten me, punch holes in walls scream at me, she knows all of this and actively encouraged my leaving.

Everytime I challenge how she engages with him, she spouts a line “it’s about what’s best for DD/DN”. I understand that there needs to be communication between parents etc but this feels so inappropriate and unnecessary. What’s more she knew I wouldn’t be ok with it, that it would hurt me and organised it behind my back. I found out from my DD.

She helps a lot with childcare and I’m incredibly grateful for that, but I’m at the point where I just feel that I can’t have someone in my life who behaves like this. Who goes behind my back who does things knowing they will hurt me it feels like she knows she has me in a position where I am going to really struggle if I don’t have her support and will do what she wants regardless of my feelings and without even a discussion.

I don’t know what to do.

For Context: DD has a great relationship with her father and I have zero concerns in relation to that. My sister and I have had issues in the past and this feels like part of a wider agenda on her part.

OP posts:
DontWorrryBaldrickHasACunningP · 27/06/2025 20:52

saraclara · 27/06/2025 20:47

An I alone in thinking that OP's sister visiting and staying OP 's ex in another country, presumably without her own partner, is really really weird? Because pretty much all I'm reading is people justifying it as if it's perfectly normal.

Edited

This is what I can’t wrap my head around. It just feels so odd.

Our mum maintained a relationship with our Dads brothers after they divorced but it was a BBQ or lunch a few times a year so I get maintaining the relationships for DD but this feels so bizarre.

OP posts:
HuskyNew · 27/06/2025 20:52

Notuntrustworthy · 27/06/2025 19:30

It does sound like you dont quite trust your sister, and we can't tell you not to listen to your gut. We dont know whether she is dismissive of you or whether you are being hypervigilant. Just want to share support as it sounds like a difficult situation to be in. x

This.

she’s either going to protect your kids, or she’s having an affair with him.

can’t see any other explanation

Afewtimesagain · 27/06/2025 20:56

If he was so aggressive and used to punch holes in the walls I would take it that my sister was wanting to be around just to check all was well and he wasn't getting aggressive with DD.

DontWorrryBaldrickHasACunningP · 27/06/2025 21:01

Afewtimesagain · 27/06/2025 20:56

If he was so aggressive and used to punch holes in the walls I would take it that my sister was wanting to be around just to check all was well and he wasn't getting aggressive with DD.

I genuinely didn’t think that was a concern, everything has always been directed at me. But based on past comments I’ve asked her if she is worried about this and that is why she is going. If it is then I won’t let DD go. But DD has been multiple times before and my sister hasn’t expressed concerns.

OP posts:
Poonu · 27/06/2025 21:02

Notuntrustworthy · 27/06/2025 18:24

Yeah I'd be delighted that someone was going to check in on her. If someone had abused and hurt me I would be terrified that my DD was with them in a foreign country.

This

Afewtimesagain · 27/06/2025 21:04

DontWorrryBaldrickHasACunningP · 27/06/2025 21:01

I genuinely didn’t think that was a concern, everything has always been directed at me. But based on past comments I’ve asked her if she is worried about this and that is why she is going. If it is then I won’t let DD go. But DD has been multiple times before and my sister hasn’t expressed concerns.

I still don't get your attitude. I wouldn't be happy with my ten year old daughter being around someone like so I'd be thrilled my sister was going to be there for part of the time to make sure all is well. My thoughts wouldn't be on myself, they would be on a ten year old staying in a foreign country with an aggressive father.

DontWorrryBaldrickHasACunningP · 27/06/2025 21:05

GCDPAF · 27/06/2025 20:32

If you ex threatened you and punched walls around you as a woman, why do you think he will be different around your 10 year old daughter who is fast approaching teenage years?

A man who threatens women and punches walls isn’t safe around females IMO. Did your child witness his shitty behaviour towards you?

I understand you feel betrayed by your sister, but in this instance I think I would be glad she was going to check he’s still fine with your daughter now she’s older and probably finding a more independent voice from the little girl he once lived with.

Edited

I hadn’t thought about it like that, in the context of her age. He has always (regardless of his behaviour towards me) been great with DD.

she didn’t see anything, it was normally when he would get home (worked late drinking culture), he doesn’t work in that environment or drink anymore.

OP posts:
Bepatientandiwillreturn · 27/06/2025 21:07

DontWorrryBaldrickHasACunningP · 27/06/2025 21:05

I hadn’t thought about it like that, in the context of her age. He has always (regardless of his behaviour towards me) been great with DD.

she didn’t see anything, it was normally when he would get home (worked late drinking culture), he doesn’t work in that environment or drink anymore.

How do you know he doesn’t drink anymore oo? You divorced him five years ago and never see him

Bepatientandiwillreturn · 27/06/2025 21:08

How did your sister get on with your ex when he wasn’t your ex?

DontWorrryBaldrickHasACunningP · 27/06/2025 21:17

Bepatientandiwillreturn · 27/06/2025 21:07

How do you know he doesn’t drink anymore oo? You divorced him five years ago and never see him

At what point have I said I never see him or have no contact? Because I haven’t.

I’ve already responded to your previous comment and taken on board that I need to make sure if this is a concern of hers and the reason behind her going there.

OP posts:
Cedrabbage · 27/06/2025 21:17

Did your ex maybe ask her to help out with childcare, seeing as your DD is getting older and maybe becoming 'difficult' like her mother, which your sister probably agrees with? And he may feel pleasure at your distress over the situation so continuing the abuse?

DontWorrryBaldrickHasACunningP · 27/06/2025 21:25

Cedrabbage · 27/06/2025 21:17

Did your ex maybe ask her to help out with childcare, seeing as your DD is getting older and maybe becoming 'difficult' like her mother, which your sister probably agrees with? And he may feel pleasure at your distress over the situation so continuing the abuse?

No he has a support network there and would not need help. I know from DD that it was her idea.

OP posts:
TheSilentSister · 27/06/2025 21:27

I find it a bit odd OP. I can't see your sister's OH being happy about going to stay with your ex. You really do need to reach out and have the conversation even if it's just to put your mind at rest regarding your DD's safety/happiness. That should be your starting point when talking to your DS.

heldinadream · 27/06/2025 21:30

I don't know about your sister, @DontWorrryBaldrickHasACunningP , but abusive men who are fine with girl children when they are small are known to often start being abusive to the girl children as they get older, specifically as they develop into adolescents, and as they start to assert their own will and desires. So I'd be very carefully keeping an eye on that aspect of all this.

SalfordQuays · 27/06/2025 21:40

What did she actually say when you asked her why she was going?

DontWorrryBaldrickHasACunningP · 27/06/2025 21:48

SalfordQuays · 27/06/2025 21:40

What did she actually say when you asked her why she was going?

Initially that she wanted to. However since I started this thread I have messaged and asked if she is going because she is worried about my DD being there.

OP posts:
gottabereallyhonest · 27/06/2025 21:52

khaa2091 · 27/06/2025 18:19

If this was my sister, I would assume that she was so worried about my DD that she wanted to check things were ok…

That's what I thought.

TheAvidWriter · 27/06/2025 22:15

OP your ex is using your sister to get at you. If he was abusive, he will use the very people he knows love you, and he will do it so well and its working.

Could it be that your ex is just that rotten that he will groome your sister into believing that he is harmless, to her, and that he is super sweet and reasonable when around her so that it looks like you are the one with the issue, but he will look like the victim? Could it be that your sister has simply bought all the crap he tells her?

If your ex is bitter over the fact that you have left, he will do whatever it takes to pull security from underneath you, all to make you feel like you are loosing your mind. Also, your sister will buy into it to some extent. What you need to do is keep it cool. Yes it may feel like the ultimate blow, but she is being manipulated in the end of the day, just like you were. Men who abuse have a distorted reality, will paint themselves into peoples lives to erode yours, and family members are the first ones on the list.

NewGoldFox · 27/06/2025 22:22

DontWorrryBaldrickHasACunningP · 27/06/2025 18:59

No I’m not.

Well that settles it then.

Hedgehogbrown · 27/06/2025 22:32

She loves her niece. She wants to spend time with her when she was on holiday. If your ex is an abusive aggressive man, it doesn't make sense that you would be happy for a ten year old girl to stay there, and not your sister. If it was just a bad relationship and he's not abusive, then maybe you have to consider why you don't want her there. Is it jealousy?

He isn't her ex. She is probably willing to stay civil in order to spend time on holiday with her niece. Sounds like they have their own relationship, especially with all the childcare she does. It's very special to spend time away with a loved one.

JLou08 · 27/06/2025 22:50

Your DD isn't safe with that man. Violent abusers like that can dote on little girls who look up to them and who are under his control. Once the child gets to the age where they test boundaries and become more interested in friends than parents things can quickly change.

jackieFaller · 27/06/2025 23:30

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PIPERHELLO · 27/06/2025 23:41

Shitty of your sister. My sister would do this, purely to undermine me / try to go behind my back with my daughter.

I feel for you.

your sister is being a total cow.

LouiseMadetheBestBroccoliPasta · 27/06/2025 23:57

PIPERHELLO · 27/06/2025 23:41

Shitty of your sister. My sister would do this, purely to undermine me / try to go behind my back with my daughter.

I feel for you.

your sister is being a total cow.

This resonates. I also had a sister like this. Could not trust her at all.

Op, does your sister have a history of being competitive with you?

Foreverm0re · 28/06/2025 00:30

Very odd. If it’s definitely not because she is concerned about your dd, why not spend time with her when she’s with you? I don’t understand the need to go to your ex.