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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

AIBU to feel uncomfortable if my child invites their father's mistress?

562 replies

Zoobaloo · 02/08/2026 23:09

Looking for perspectives on the following:

Would you attend your adult DC’s wedding if they had invited their father’s mistress? Would it change if the affair was years ago? Would you feel disrespected?

OP posts:
MyArtfulGreySloth · 02/08/2026 23:27

Skatefordinner · 02/08/2026 23:26

It might be painful for you but it’s your DCs wedding. Presumably your adult DC would be very hurt if you didn’t attend their wedding. Aside from this (which is the most important thing) I know it’s not a game but when my ex had an affair, I came on here for advice the whole time and someone posted ‘the best revenge is a life well lived’. And whilst revenge is probably not the best term here, the sentiment is correct. Go (if you feel able to), be there for your Son/ daughter, look fabulous and happy (even if you don’t feel like it) and hold your head up high. Absolutely do not miss the wedding. Smile and be nonchalant to them if your paths cross. Don’t hide away.

Read the update.

Skatefordinner · 02/08/2026 23:28

Ok forget my post. Just read the update.

Maddy70 · 02/08/2026 23:28

You go for your child.

MyArtfulGreySloth · 02/08/2026 23:28

Maddy70 · 02/08/2026 23:28

You go for your child.

It’s op’s wedding!

Happyd · 02/08/2026 23:29

As it’s your wedding, you do what you feel comfortable with , if your dad is making it all about his wife , I personally wouldn’t what him there and would tell him so , it’s your day would of changed my vote to you are not being unreasonable too

LadyBeatriceBeaHiggins · 02/08/2026 23:29

its a tricky one

Longtimelurker1980 · 02/08/2026 23:29

Zoobaloo · 02/08/2026 23:22

  1. The title is AI generated through Mumsnet and I forgot to change it. This is about my mum and dad. Sorry for the confusion!
  2. Dad had an affair multiple times with the same woman and is now married to her. It caused an ugly divorce and lots of heartache for my mum.
  3. Dad wants his new wife at my wedding. I don’t agree but he won’t come without her. I don’t think it’s fair to mum.
I wanted some opinions to decide how to navigate this going forwards

If it was my wedding id want my mum to be happy and relaxed more than I would want my father’s new wife there. So yes I’d issue a single invite to dad and make it very clear that you are not inviting his wife out of respect for your mum. If he chooses not to come then that tells its own story.

Hope it all works out. Have a lovely wedding.

spokenorchid · 02/08/2026 23:30

Zoobaloo · 02/08/2026 23:22

  1. The title is AI generated through Mumsnet and I forgot to change it. This is about my mum and dad. Sorry for the confusion!
  2. Dad had an affair multiple times with the same woman and is now married to her. It caused an ugly divorce and lots of heartache for my mum.
  3. Dad wants his new wife at my wedding. I don’t agree but he won’t come without her. I don’t think it’s fair to mum.
I wanted some opinions to decide how to navigate this going forwards

Well that changes nothing about the original advice, really - it’s your wedding and you invite who you want to be there. If that doesn’t include your father’s new wife, then that’s absolutely fine.

betterchoicesnexttime · 02/08/2026 23:30

If you don’t want her to come then don’t invite her. Explain it to her and your Dad that you don’t want to hurt your mum and then let them decide if they’d like to be grown up about it.

My FIL insisted on bringing his new girlfriend to our wedding, even though my DH asked for him not to invite her (we only had my DM as our other guest) and DHDM had recently died. He said he wouldn’t come if she wasn’t invited. So DH invited him but it caused some discomfort.

I am the second wife and my DH has an eldest daughter from his previous marriage and i would totally understand not being invited to her wedding (if she had one). It’s not a day about me or my DH. Their marriage broke up years ago but it’s not my place to dictate her guest list and it’s her day.

Havenhelpus · 02/08/2026 23:30

I think it comes down to what you want for your wedding and what you want going forward.

If you truly don’t want her there, tell your dad you completely understand his position and that he’ll be missed. Then carry on without him. He is the one who will miss out. He seems to have little respect for what marriage stands for so it might not be a great loss.

But what are your future plans? Are you planning to have children? Will your children be interacting with the mistress, expected to call her grandma? Will you be spending time with them for Easter/Christmas etc? Or do you plan to just see your dad? Or not see your dad? I know you’re asking about your wedding but this is the start of many future plans that you might need to decide what you actually want the relationship to be.

Swissmeringue · 02/08/2026 23:31

I was the daughter in this scenario. I invited the people I wanted there, I.e. my parents. My dad decided not to come as his girlfriend wasn't invited. That was on him.

If you've gone on to develop a relationship with your dad's girlfriend and would like her there then by all means invite her. But if it's just to placate your dad then nope. He can put his big boy pants on and come alone.

Zoobaloo · 02/08/2026 23:31

CinderellaGotOld · 02/08/2026 23:25

I put YABU thinking you were the ex wife and that if their DC wanted to invite the mistress (perhaps because they had formed a civil relationship etc) then you would just have to suck it up.

however having read your second post I can see it is your dad putting pressure on for her to be invited and so this different. What you haven’t said is what your relationship with them is like now. If your mum wasn’t a factor - would you have invited her? If you are only not inviting her for your mum I would say that’s wrong. But if you wouldn’t have invited her anyway then stick with that.

I wouldn’t have invited her because although I’m civil with her, I just don’t like her

OP posts:
Longtimelurker1980 · 02/08/2026 23:32

Zoobaloo · 02/08/2026 23:26

I want both to attend, but DD won’t attend without his wife. DM is still hurt and has said she’d feel disrespected if she were there

Sorry I missed this - how do you know he won’t come without his wife? Don’t guess - be explicit to avoid confusion (if you haven’t already).

id still say the same. My mum’s comfort would take preference over my dad’s stubborn refusal to make the day about me rather than him.

crazycatladie · 02/08/2026 23:34

The mistress should not attend. I’d explain to my dad that I want him to come to the wedding alone, surely he knows this is the right thing to do. Tell him you’d feel uncomfortable with his new wife attending and as it’s your wedding day how you feel is more important than his and his new wife’s feelings. If he chose not to attend that would be a major deal to me and would change my relationship with him forever

Zoobaloo · 02/08/2026 23:34

Havenhelpus · 02/08/2026 23:30

I think it comes down to what you want for your wedding and what you want going forward.

If you truly don’t want her there, tell your dad you completely understand his position and that he’ll be missed. Then carry on without him. He is the one who will miss out. He seems to have little respect for what marriage stands for so it might not be a great loss.

But what are your future plans? Are you planning to have children? Will your children be interacting with the mistress, expected to call her grandma? Will you be spending time with them for Easter/Christmas etc? Or do you plan to just see your dad? Or not see your dad? I know you’re asking about your wedding but this is the start of many future plans that you might need to decide what you actually want the relationship to be.

I don’t want a relationship with her at all, or for any future children to. I’m civil with my dad because he’s my dad but I don’t like his wife. Affair aside, she isn’t a very nice person and is very nasty towards my mum, calling her names like a teenager in high school

OP posts:
AgnesMcDoo · 02/08/2026 23:34

She’s his wife now. She should be invited.

Arregaithel · 02/08/2026 23:35

Zoobaloo · 02/08/2026 23:31

I wouldn’t have invited her because although I’m civil with her, I just don’t like her

and that is perfectly fine, it is your day, as long as you are prepared not to have your Dad there.

HumberSquid · 02/08/2026 23:35

Zoobaloo · 02/08/2026 23:34

I don’t want a relationship with her at all, or for any future children to. I’m civil with my dad because he’s my dad but I don’t like his wife. Affair aside, she isn’t a very nice person and is very nasty towards my mum, calling her names like a teenager in high school

I wouldn't invite anyone to my wedding who bad-mouthed my mother.

Zoobaloo · 02/08/2026 23:36

Longtimelurker1980 · 02/08/2026 23:32

Sorry I missed this - how do you know he won’t come without his wife? Don’t guess - be explicit to avoid confusion (if you haven’t already).

id still say the same. My mum’s comfort would take preference over my dad’s stubborn refusal to make the day about me rather than him.

Because he’s told me he won’t come without her and that he hopes his invite will be hers too as she’s ‘family’ now.

OP posts:
Arregaithel · 02/08/2026 23:38

AgnesMcDoo · 02/08/2026 23:34

She’s his wife now. She should be invited.

Hard disagree,

@Zoobaloo stated "I don’t want a relationship with her at all, or for any future children to. I’m civil with my dad because he’s my dad but I don’t like his wife. Affair aside, she isn’t a very nice person and is very nasty towards my mum, calling her names like a teenager in high school"

ThestoriesIcouldtellyou · 02/08/2026 23:38

I think these decisions should be on the basis of the relationship you want with these people in the future. Sounds like you'd prefer no relationship at all with her. I would invite only my dad.

Italiangreyhound · 02/08/2026 23:38

Personally 'I would not invite her and I'd tell dad, his choice to come or not. Just ket you know either way.

I think actions have consequences and his actions should have consequences.

Arregaithel · 02/08/2026 23:39

Zoobaloo · 02/08/2026 23:36

Because he’s told me he won’t come without her and that he hopes his invite will be hers too as she’s ‘family’ now.

She's his family, not yours. Have the wedding you want @Zoobaloo

KojaksLollipop · 02/08/2026 23:40

Yes. I’d never miss my dcs wedding and I’d also encourage my dc to get their father there anyway they could, even if thst meant being face to face with his wife. If I was the new wife I’d show some tact, recognise the situation and not go, but then I guess someone who had an affair with a married man doesn’t know or care about doing the right thing.

Havenhelpus · 02/08/2026 23:40

Zoobaloo · 02/08/2026 23:34

I don’t want a relationship with her at all, or for any future children to. I’m civil with my dad because he’s my dad but I don’t like his wife. Affair aside, she isn’t a very nice person and is very nasty towards my mum, calling her names like a teenager in high school

Then I think you make it very clear to your father that she is not invited, he is to come alone or not come at all. That in future, you will be interacting with only him as you have zero interest in a relationship with his new wife. That you understand it may mean this lessens the relationship between the two of you but that it was important he understood what he was risking as well - his relationship with his child and any future role in your life such as grandparent to any future children.

To be clear is to be kind.

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