Meet the Other Phone. Protection built in.

Meet the Other Phone.
Protection built in.

Buy now

Please or to access all these features

AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Ex partners new partner calling my son "mum"

119 replies

Mummaonherown · 10/02/2025 11:26

My ex has a new GF, they met end of October and things have moved quickly, they are "in love" however when he sees me, he always "tries it on" with me and has stated he doesn't think his feelings for me will ever fade.

Anyway, we had an agreement that new partners would not be introduced until 6 month mark, my son is on the ADHD waiting list and still wants "mummy and daddy" to have days out with him.
My ex collected our son on Saturday and took him swimming, when he came back I asked if he had a good time and he said "yes I went swimming with daddy and mum"
I asked my ex if she was there, he said no however my son has stated on 3 separate occasions with my family members and my friend and her mother that "mum" was there and this morning my son has said he wants to go swimming with mum and daddy again.

I have corrected my son, and told her what her name was, but yet he keeps saying "no it's mum"
AIBU for not thinking this is right?
My ex will deny she was there

OP posts:
PullTheBricksDown · 10/02/2025 12:47

Mummaonherown · 10/02/2025 12:03

@RedHelenB I’m bringing it up as it is relevant, he more than likely will finish with his girl at some point or cheat like he did to the last 4 month relationship and hin introducing women to our son because he struggles to have him on his own isn’t right.
I have no problem with him introducing a new partner but it should be done the way we agreed to and the name should be her legal name, not mum.
I call her Rachel but he is still insisting that she’s “his mum” actually said “my mum”

Did you not say 'I'm your mum, you only have one mum or mummy and that's me' ?

Lostcat · 10/02/2025 12:52

OldGothsFadeToGrey · 10/02/2025 12:30

I assume it is the same - that it is not to be encouraged. Small children are easily influenced, if there are step siblings etc who call the step parent mummy/mummy. They are easily directed to use another name. There’s no reason to encourage it. Child already has a mum/dad. As PP said it’s a form of parental alienation.

Edited

Ok but what about situations where it may feel normal/ comfortable/ authentic for a child to call a step parent that? Isn’t it just a bit hurtful to constantly correct the child? I just think it’s another example of the parent- centred court system, which is all about centring parents feelings of jealousy/ sense of entitlement over children .

Rhinohides · 10/02/2025 12:53

Can you make a people in my life chart
Get a photo of the lady in question and writer mae underneath
Also try to get photos of class staff
make sure photos of class Staff stuck on Velcro and that it is stuck on with glue.
After a week of reinforcing names, make a point of removing the photo and replacing it on the same place a couple of times a day. Explain you are only there with Velcro because they can change. Because they are always there.

Spirallingdownwards · 10/02/2025 12:54

Mummaonherown · 10/02/2025 11:56

@Spirallingdownwards no she doesn’t have any children, from what my ex has said I don’t think she can have them.

Ah that is more worrying then. I woukd perhaps have a word with both ex and Rachel at the same time (trying to keep calm) and even if you think it's to early for her to be on the scene don't say that. Just say DS says he is to call you Rachel mum which I don't feel is appropriate.

Mummaonherown · 10/02/2025 12:55

@PullTheBricksDown I did yes, so did my sister when she heard it and that’s when I’ve been saying her name more.

OP posts:
Rhinohides · 10/02/2025 12:57

Don’t try to correct as this may meet resistance. Use her name when he uses Mum. Ensure Everyone else in the family reinforces her name. When he says Mum did such and such you reply - Did x do such and such what else did x do today?
sorry you are having to do this, they both sound totally inappropriate.

bluegreen89 · 10/02/2025 12:57

Hello! This is disrespectful to you and I assume your ex has introduced her as ‘mum’. I’m a stepmum and my stepchildren call me by my first name because I’m not their mum and it would feel weird for them to call me stepmum or mum 2 or whatever, even though I’m married to their dad. When we’re out sometimes people refer to me as mum to them and I even step on and say ‘oh I’m their stepmum’ or similar. I feel this is respectful to their mum and helps the children to not feel confused or like I’m trying to replace their mum. Anyway, you’ll have to talk to ex about this. It could become confusing for your child.

Rhinohides · 10/02/2025 12:58

Of my initial post, should say family are stuck down with glue because they are always there, throughout your life

custardpyjamas · 10/02/2025 12:59

In your DS's mind any woman with his dad may be mum. Explain that he only has one mum/mummy and that's you, any other women has a different name. If you are mummy he may also think mum is a different thing/person.

beAsensible1 · 10/02/2025 13:01

Mummaonherown · 10/02/2025 12:03

@RedHelenB I’m bringing it up as it is relevant, he more than likely will finish with his girl at some point or cheat like he did to the last 4 month relationship and hin introducing women to our son because he struggles to have him on his own isn’t right.
I have no problem with him introducing a new partner but it should be done the way we agreed to and the name should be her legal name, not mum.
I call her Rachel but he is still insisting that she’s “his mum” actually said “my mum”

in reality you can agree terms for introducing new partners, but you can't force him. The same with the mum stuff, if he will just "deny deny deny" what can you actually do?

just remind your son that you are mum. when he talks about her say "oh, daddy's friend Rachel" and keep going with the conversation

your ex is clearly fickle and a liar so you have to accept that he will probably be introducing your son to partners and definitely in less than 6 months.

Mummaonherown · 10/02/2025 13:01

@Spirallingdownwards Ill ask him again but he will just deny it.
He’ll never let us meet, he’ll be too frightened that I will show her the messages he’s been sending to me and tell her he tries it on every time.

OP posts:
Fridaysgirl17 · 10/02/2025 13:02

OldGothsFadeToGrey · 10/02/2025 12:04

I have been in the courtroom when this happened. Judge was very clear. It was also in the court order.

Directing your child to call another person ‘mum’ is a sign of being unable to promote positive relationships with the child’s actual mum. It’s definitely frowned upon and the court will make directives like this if they see it as necessary.

Edited

This is the same in my Court order,it wasn't asked for but the judge did ask if either was in a new relationship & as my ex is the judge put it in, that no partner (on both sides) are to go by any parental name such as mom/dad etc,& they have no parental rights over our children

Chuchoter · 10/02/2025 13:03

I can imagine years ago there might have been a stigma and it was better in public if the child called the new partner 'mum' but it's really no big deal (sadly) nowadays for children to have step parents or be with the girlfriend or boyfriend of their parent and be called by their first name.

OldGothsFadeToGrey · 10/02/2025 13:05

Lostcat · 10/02/2025 12:52

Ok but what about situations where it may feel normal/ comfortable/ authentic for a child to call a step parent that? Isn’t it just a bit hurtful to constantly correct the child? I just think it’s another example of the parent- centred court system, which is all about centring parents feelings of jealousy/ sense of entitlement over children .

This isn’t one of those situations though. I also don’t agree that it’s hurtful to correct the child. It’s not in their best interest to encourage them to call a person other than their mum, ‘mum’.

I say this having also been in the position of the child. I think I maybe asked once if I should call my grandparents mum and dad instead, they said I shouldn’t because I had a mum and dad, and they were Grandma and Grandad. And I thought no more of it. It would have been wrong of them to encourage it. Unless the mum is an absolute horror and contact has been banned because she’s a danger etc, I can’t see how it could ever be in a child’s best interest to encourage something that will cause conflict between their parents.

Lostcat · 10/02/2025 13:08

OldGothsFadeToGrey · 10/02/2025 13:05

This isn’t one of those situations though. I also don’t agree that it’s hurtful to correct the child. It’s not in their best interest to encourage them to call a person other than their mum, ‘mum’.

I say this having also been in the position of the child. I think I maybe asked once if I should call my grandparents mum and dad instead, they said I shouldn’t because I had a mum and dad, and they were Grandma and Grandad. And I thought no more of it. It would have been wrong of them to encourage it. Unless the mum is an absolute horror and contact has been banned because she’s a danger etc, I can’t see how it could ever be in a child’s best interest to encourage something that will cause conflict between their parents.

Edited

Yes I agree that isn’t OP’s . Sorry you edited comment so didn’t have a chance to read

OldGothsFadeToGrey · 10/02/2025 13:11

Lostcat · 10/02/2025 13:08

Yes I agree that isn’t OP’s . Sorry you edited comment so didn’t have a chance to read

Edited

I am a bugger for the edit button. Sorry!

MissUltraViolet · 10/02/2025 13:13

Mummaonherown · 10/02/2025 12:28

@MissUltraViolet nope, he won’t admit it at all, I asked him last night (again) if she was there and he’s calling her mum, he said no, he denies everything denied he cheated until I caught him in the act.
He sees our son 2 Saturdays a month, sometimes he stays over sometimes he doesn’t all depends on whether ex has nothing else on (this is why we are doing mediation) and our son is very energetic can get very overexcited - so 2 people are better than 1 at times so I have no doubt he would have brought her along to help him.

Agreed, I’m sure if I’m still with my partner past June and ready to introduce him, if I say the word “dad” he will go apeshit.
My son doesn’t even know I go out with another man, he’s far too young to understand nor does he need to understand when I introduce it will be mummy’s friend Dean.

I have no intention of doing so, I know he will cheat on her, he’s a serial cheater he thinks with his Willy

Sounds like poor DS is going to have a few years of confusion ahead of him if you can’t make the idiot see sense. You just need to try be as consistent as possible and try to correct him every time.

Seems ex is using these women as childcare to help him with DS twice a month, which is pathetic. Between you, DS and even the girlfriends - he is treating everyone appallingly.

Lostcat · 10/02/2025 13:13

OldGothsFadeToGrey · 10/02/2025 13:05

This isn’t one of those situations though. I also don’t agree that it’s hurtful to correct the child. It’s not in their best interest to encourage them to call a person other than their mum, ‘mum’.

I say this having also been in the position of the child. I think I maybe asked once if I should call my grandparents mum and dad instead, they said I shouldn’t because I had a mum and dad, and they were Grandma and Grandad. And I thought no more of it. It would have been wrong of them to encourage it. Unless the mum is an absolute horror and contact has been banned because she’s a danger etc, I can’t see how it could ever be in a child’s best interest to encourage something that will cause conflict between their parents.

Edited

I can definitely imagine there are lots of potential scenarios where it would be hurtful to correct a child (although not yours as grandma/ grandpa makes perfect sense). And what defines a “mum”? For example, surely adoptive children are allowed to call their adoptive parents mum and dad? Iyswim.

I also disagree that it is always in children’s interests to centre their parents’ feelings to “avoid conflict”…

Anyway I will stop derailing!! It’s just interesting to me how this is so much the subject of court orders these days..

Lostcat · 10/02/2025 13:14

OldGothsFadeToGrey · 10/02/2025 13:11

I am a bugger for the edit button. Sorry!

Same 😆

Jimmyneutronsforehead · 10/02/2025 13:17

Mummaonherown · 10/02/2025 11:59

@Mrsttcno1 thats what I think. He had another girlfriend that lasted 4 months and he introduced her to our son as well but he never said the word mum.
Someone has definitely said something, maybe he’s really serious about this person however to do introduce someone as “mum” isn’t right I know what his response would be if I introduced my new partner (I’ve been seeing someone since start of January) as “dad”
It just doesn’t sit right with me, this is the 2nd woman in less than a year.
I will speak with him, but like I said he will just deny deny deny

My son is speech delayed and went through a phase of calling all men and women couples mum and dad.

Then shortly after it was just that all men were dad and all women were mum, even if he had previously known their names.

He's 6 now and grown out of it for the most part, although I do die inside when we're in public with family and he still occasionally says things like "daddy uncle Justin" "mummy gran gran" "daddy grandad" and suddenly I can feel the pierce of a thousand stares into my skull from onlookers who obviously have questions they dare not ask.

OldGothsFadeToGrey · 10/02/2025 13:17

Lostcat · 10/02/2025 13:13

I can definitely imagine there are lots of potential scenarios where it would be hurtful to correct a child (although not yours as grandma/ grandpa makes perfect sense). And what defines a “mum”? For example, surely adoptive children are allowed to call their adoptive parents mum and dad? Iyswim.

I also disagree that it is always in children’s interests to centre their parents’ feelings to “avoid conflict”…

Anyway I will stop derailing!! It’s just interesting to me how this is so much the subject of court orders these days..

Edited

That’s not what I was saying at all. Some people would encourage this to antagonise the other parent, when presenting it as ‘well little Charlie wants to call my girlfriend ‘Mummy Beth/mummy 2/mummy’ etc.’ Small children often ask if they should call a step parent mummy/daddy etc, whatever the common language of the house is. Saying no isn’t harmful, and it’s not expecting the child to safeguard the parent’s feelings. It’s about both parents positively promoting the child’s relationship with the other parent. I would question the motives of any father who encouraged his child to call his girlfriend of the month ‘mum’. That’s not about looking after the kid’s feelings, it’s weaponising the child.

anyway, derail over.

RubyFlax · 10/02/2025 13:24

Are you 100% sure this woman was actually there and your son has met her? Could it not be that your son is pretending that he went swimming with “daddy and mum” as that’s what he had done previously (I.e with you both when you were together?). In the way that children sometimes have imaginary friends, has he seen other kids with both parents there and imagined that for himself? A bit of a stretch I know, but I just can’t see why your ex is denying it & making his own child out to be a liar if the woman was actually there. For what gain?

MyrtleLion · 10/02/2025 13:26

Mummaonherown · 10/02/2025 12:37

@Creameded my son was at my parents last night while I was doing my usual Sunday night housework - my sister was also over visiting and she just said to him what did you do today/yesterday and he just came out with it “I went swimming with daddy and mum”
Hes also asked to go swimming again with daddy and mum today, I’ve said her name several times and he’s looked me at like “no her names mum” my son only calls me mummy, never said the word mum to me.
I’ve actually got a meeting with the SEN lead at nursery on Friday, my son has had some issues over the past 3 months, surprisingly around the same time dad has disappeared - I’ll let them know.
thank you

But when he's older he'll switch to mum. He's not going to keep calling you mummy when he's a teenager (unless you're an aristocrat). So calling Rachel mum or any other of dad's girlfriends mum is going to be really difficult later. Mum is reserved for you only.

AlexP24 · 10/02/2025 13:32

Agreed, I’m sure if I’m still with my partner past June and ready to introduce him, if I say the word “dad” he will go apeshit.

Why on earth are you calling a boyfriend you've not had a long your 'partner'. Why do either of you need to introduce the poor little mite to anyone after 6 months? I know you can't control what your ex does but to be honest if he can't see that the precious time he spends with his son should be 121, then he's an arsehole and you're well shot. But don't start introducing him to a new boyfriend that you have either. He's not a partner, he's a random bloke you see every now and then and your son doesn't need another confusing man to be introduced to.

AlexP24 · 10/02/2025 13:33

Mummaonherown · 10/02/2025 11:56

@Spirallingdownwards no she doesn’t have any children, from what my ex has said I don’t think she can have them.

This simply means they are having unprotected sex because she has told him she can't have kids. Expect her to be pregnant within the year.

Swipe left for the next trending thread