“Paige” insists that half sister is full sister despite them having different dads, her father gets involved and refuses to acknowledge half sister's real dad: ‘After I turned 18 I did a DNA test to prove we’re half siblings’

Author image for Briana Viser
Briana Viser • Writer and Editor
Aug 28, 2025 12:00 PM EDT

Traditional family dynamics are far from traditional these days. With high divorce rates, blended families are even more common than being raised by your parents together without stepsiblings. Here we have two sisters – correction, half sisters. The protagonist lost her father when she was so young, but she still remembers him in her heart. Even though she wasn't raised by him, she still considers him her real father. Her stepdad raised her, but anyone who's anyone knows the emotional complications of being raised by someone who isn't your bio parent. Her half sister, Paige, constantly insists that they're full siblings, and that they share the same father. Delusional much? It's just simply not true. Imagine having to fight with your sibling about something that shouldn't even be brought up to begin with. 

The protagonist goes through her own personal struggles, and ultimately she's not as close with her family as she'd like to be due to the complicated dynamics around the subject of fathers. Read the full story below for yourself. 

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  • 01

    AITA for telling my (half) sister that she needs to get over the fact we have different dads?

    Two sisters fighting
    via jmartinstock / Canva
  • 02
    I (25f) have half siblings from my mom's married to my stepdad. I was 3 weeks old when my dad d d and I was 18 months old
    via u/Evleeighe

  • It's absolutely fair for the protagonist to want to acknowledge her real father, despite the efforts of her stepdad. It's complicated to let go of the idea that your bio dad isn't there, and her half sister should be more sensitive about it. 

  • 03
    when my mom remarried. I get along well with most of my siblings but Paige (23f). We're the closest in age but she doesn't like
    via u/Evleeighe
  • 04
    me saying we share a mom but Ihave different dads. She doesn't like that I don't claim my stepdad as my real dad period.
    via u/Evleeighe
  • 05
    I grew up around my paternal family and knowing about my real dad. While mom never talked about him and my stepdad didn't
    via u/Evleeighe
  • 06
    like him being talked about, my paternal family never let him be forgotten and because of all
    via u/Evleeighe
  • 07
    those circumstances I saw him as my real dad and never saw my stepdad as just my dad.
    via u/Evleeighe
  • 08
    I still have respect for my stepdad but I don't have full respect for him either. Had he accepted and encouraged me to know about
    via u/Evleeighe
  • 09
    my real dad we might be closer but it was a wound to his ego to have a kid he raised consider another man their dad, even if I
    via u/Evleeighe
  • 10
    wouldn't exist without my dad and that made me never fully connect with him like that. It's not like I hate him. But I feel like if he
    via u/Evleeighe
  • 11
    really wanted the best for me like he claimed he would have done better at accepting me knowing about my biological dad, because
    via u/Evleeighe
  • 12
    he admits if he'd had the choice he would have kept me in the dark and let me believe he was my bio dad instead. He has also
    via u/Evleeighe
  • 13
    admitted he hates my dad's family for putting him between us because his one weakness means he can never compete. While
    via u/Evleeighe
  • 14
    mom said it's too hard to talk about dad so she let his family take over doing that for me.
    via u/Evleeighe
  • 15
    Paige would always say we shared the same parents. Whenever I explained that we were siblings but I had a different dad to
    via u/Evleeighe
  • 16
    someone, Paige would be like no we don't stop saying that. She'd tell me if her dad raised me it meant he was my dad too. Then
    via u/Evleeighe
  • 17
    in our teens she tried to say a few times that he was probably my bio dad too and we were all full
    via u/Evleeighe
  • 18
    biological siblings. So after I turned 18 I did a DNA test with her to prove we were half siblings.
    via u/Evleeighe
  • 19
    The argument strained our relationships. None of my other siblings are bothered by me claiming my dad but Paige. She
    via u/Evleeighe
  • 20
    has yelled at our younger siblings for saying I have a different dad or if they do anything that shows me as having a different dad. Like
    via u/Evleeighe
  • 21
    Daughter distressed
    via Nikodash / Canva
  • 22
    one of our brothers bought two Father's Day cards once and one said dad but the other said stepdad and that one was for me.
    via u/Evleeighe
  • 23
    Right now I don't see or speak to Paige very often. Maybe once or twice a year. Our first time this year was a couple of weeks ago
    via u/Evleeighe
  • 24
    and she was bugging me because I had reposted something about the weirdness of losing a parent before you can form memories of
    via u/Evleeighe
  • 25
    them and the love you can still have for them. She was mad because it was me yet again bringing to light the fact we have
    via u/Evleeighe
  • 26
    Family image
    via hidesy / Canva
  • 27
    different dads. I told her she's old enough to get over us having different dads and find a way to accept the reality because that's what it is. I told her that we might
    via u/Evleeighe
  • 28
    have been raised in the same household but without my dad I wouldn't exist and I won't ignore the man who made me just because she doesn't like it. She
    via u/Evleeighe
  • 29
    argued that her dad deserves better and why was it fair for him to share me with a man I never would have remembered. Then she told me I don't get to tell her what to accept or get over.
    via u/Evleeighe
  • 30
    She called our mom after and then mom called me and asked why I couldn't just let it go. She said after 20 years of fighting
    via u/Evleeighe
  • 31
    you'd think we'd be over this but it's still ongoing and it doesn't seem right and mom said we're sisters not enemies and as the
    via u/Evleeighe
  • 32
    oldest I could just learn to accept it hurts her to hear me dismiss her dad who raised me. AITA?
    via u/Evleeighe

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family drama drama toxic sisters siblings family feud relationships parenting lol love entitled family reddit thread Reddit funny half siblings dating
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