AITAH for not helping my daughter find her bio dad?

In a quiet suburban kitchen, under the soft glow of a pendant light, David sits across from his 16-year-old daughter, her eyes searching his for answers. A year ago, a DNA test shattered his world, revealing she wasn’t his biological child—a truth born from his ex-wife’s affair. Despite the sting of betrayal, David’s love for his daughter remains unshaken. Now, she’s asking him to find her biological father, a man long gone, leaving David torn between her wishes and his own wounds.

The divorce dust has settled, and joint custody has brought a fragile normalcy. But this request stirs old pain, like reopening a scar. David’s heart aches for his daughter’s curiosity, yet the thought of tracking down the man who upended his life feels like too much. This story dives into the messy intersection of love, loyalty, and lingering resentment, inviting readers to ponder where duty to a child ends and personal healing begins.

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‘AITAH for not helping my daughter find her bio dad?’

My daughter, who is 16, is not my biological daughter. My ex-wife cheated on me with a co-worker, and he's the father. I found out about a year ago. My ex-wife and I divorced and are living separately, but we have joint custody of our one and only daughter. My daughter knew what had happened almost right after I did.. We have now gotten to a sense of normalcy, relatively speaking.

I want to make one thing clear. I love my daughter. She is my world, and this doesn't change that. But I do consider my ex wife to be a cheating whore. The other day, my daughter asked me about her bio father. I told her what I knew, which wasn't much. She then asked me if I could try to find out where he is. See, he's been long gone for well over a decade, and my ex wife can't get in touch with him. Guess she can f**k him but can't pin him down.

I told my daughter I can't do that, and that this is just too much for me. My daughter was disappointed, and I could tell she was sad. My ex wife called me and tried to start a fight, I ignored her. I don't know. I love my daughter, but I don't if I can handle trying to find this guy. For context, he was an a**hole at work, and knew who my wife was. He is not innocent on this whatsoever.
Parenting after infidelity can feel like navigating a minefield, especially when a child’s identity is at stake. David’s refusal to search for his daughter’s biological father reflects a deep wound, but it also highlights the tension between his love for her and his need to protect himself. His ex-wife’s affair and the biological father’s absence create a complex dynamic, with his daughter caught in the crossfire.

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David sees the biological father as a culpable figure, while his daughter likely views him as a missing piece of her identity. A 2018 study in The Atlantic notes that discovering a non-biological parent can trigger identity crises in teens, often driving them to seek biological roots. David’s hesitation is understandable, given the emotional toll, but his daughter’s curiosity is equally valid.

Dr. Joshua Coleman, a family therapist, emphasizes, “Parents must balance their own emotional limits with a child’s need to understand their origins”. Here, David could explore compromise—perhaps researching the biological father’s whereabouts through a neutral third party, like a private investigator, to shield himself from direct involvement.

For David, setting boundaries is key. He might discuss his discomfort with his daughter, affirming his love while explaining why this task is challenging. Co-parenting counseling could also help him and his ex-wife align on supporting their daughter’s needs without rekindling old conflicts. By focusing on his daughter’s emotional health and seeking professional guidance, David can navigate this delicate situation, encouraging readers to reflect on how love endures even through betrayal.

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Heres what people had to say to OP:

The Reddit squad jumped into David’s story with gusto, dishing out a mix of empathy, advice, and a few spicy takes. It’s like a family reunion where everyone’s got a strong opinion and no filter. Here’s the raw scoop from the crowd:

Sparklingwine23 − NTA, this should really be her mothers problem to track down. You should only care if they do because you may have a case for child support.

BestFun5905 − NTA, if it’s too much then best to stay out of it. Just reassure your daughter that you support her, and no matter what, you still love her all that mushy stuff. It’s understandable she has curiosity, but she might have a very harsh reality waiting for her regarding her bio dad, so best to just support from a healthy distance for now.

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anjaliirosee − NTA. I also wanted to say you are clearly a brilliant dad and your daughter is so lucky to have you! Really sorry you had to go through that. I think it’s down to her mom to answer your daughters questions.. it seems like she knows him a lot better than you do lol!

Raedaline − 'Sorry honey, I wouldn't even know where to start. I think your mother would be better with helping find him. Ive never even met him'

infomanus − Daughter should be pressing mother not dad

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FlashyAppointment720 − NTA. The mother should take more responsibility and help her find her bio dad. Just re-emphasize to her that you love her but you’re human too and dealing with your own pain from this new finding. Maybe sometime in the future when the emotions of the situation aren’t as painful you’ll be better equipped to help her but right now it’s too much.

Bacch − If you have information that could help her find him. when she's 18, you may consider providing it. But I don't think you have any obligation at this point. I have two stepchildren. Their biodad is a grade A piece of s**t. Abusive, has had multiple stints in prison, and the only reason my wife managed to escape him was that he was in prison.

Permanent restraining order preventing him from being near my wife or the kids (until the kids turn 18, which one has since). We married a few years later, he was out and tried to fight for custody. Was a shitbag. Gave us the runaround with the court-mandated mediator, then when mediator showed up to collect his fee from him (mediation was done by phone due to the aforementioned order), stiffed the guy,

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and backed out of the agreement, claiming 'his lawyer' advised him not to agree (he had no lawyer at any point in this process). He didn't show up for the last court date because he was in prison again (still could have made it, but didn't bother), and we got full custody. He was released a few years ago, and my oldest, now 20, was always curious. She was old enough to remember him vaguely from her early childhood, and wanted to connect.

For her it was easy, as we're still on good terms with their grandparents on that side and see them often. The younger one, 17, seems to have no interest in him at all, but time will tell. I was concerned my oldest, who we butted heads with repeatedly throughout her teen years, would go running off to him crying about her mean parents or something. That is, until she took a call from him while I was in the room.

I tried not to listen, but it was hard not to hear how she ended that call. 'Yeah, you are NOT my dad, and you can NOT tell me what to do. \*click\*' I realize now she just wanted to put a face to that man, and to try to understand something about where she came from. She was never looking to replace me, nor did she have any interest in a relationship with him.

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He started buying her things (airpods that we couldn't afford at the time, an Apple Watch, etc), and I cautioned her about it, saying he was trying to buy her love. She laughed and said if he wanted to throw his money away trying to buy something he has no right to and will never get, she's not going to stop him. For the record, this man owed my wife 6 figures in back child support 11 years ago.

At this point, it would have been enough to put both of them through college at any school they wanted to go to, something my wife and I cannot afford to do for them. We've never seen a penny. And she likes to throw that in his face too. 'If you really gave a s**t, how about you pay for college like my parents could have done if you'd ever paid a dime in child support?' Anyway, I'm heartbroken for you. I can't imagine how hard that must be.

Your daughter is your daughter, no matter who the sperm donor was. She will always be your daughter. And I'm almost certain she feels the same way and always will. But make sure you don't hold back with your affection. Make sure the way you've acted towards her since finding out hasn't changed. Because I have to imagine that at her age, the first panic after that bombshell dropped was wondering if you would love her less.

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Equivocal8 − NTA just don’t be spiteful about it (eg. say it’s her mom’s problem etc). Let her know that you will support her with her decision but it’s too painful for you to be involved in the search

Armorer- − You are in a very difficult situation for which you have a right to feel angry at this betrayal but it’s important that you communicate with your daughter that you are not opposed to her looking for her biological father but that due to your feelings of hurt and the circumstances surrounding her conception the correct person to help her look is her mother and not you.

For all you know the man your ex is claiming is the father may not be true or she may be rejected by the biological father which is another painful thing she may have to deal with. Please get her some therapy.. You raised her and you will always be dad in her eyes regardless of who she shares dna with.

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bacongrilledcheese18 − NTA. Unless you’re a detective or something, I don’t see how you can be of any more help to her than her mother?

Redditors largely backed David’s emotional boundaries, though some urged him to consider his daughter’s perspective. A few suggested hiring a third party to handle the search, while others called out the ex-wife’s role in the mess. But do these hot takes capture the full complexity, or are they just fanning the flames?

David’s story lays bare the raw challenge of parenting through the fallout of infidelity. His unwavering love for his daughter shines, yet his refusal to hunt for her biological father reflects a human struggle to heal. Balancing her need for answers with his own emotional limits is no easy feat. As he navigates this, the question remains: how do you honor a child’s curiosity without reopening old wounds? What would you do in David’s shoes? Share your thoughts and experiences below to keep the conversation alive.

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