By law they are cousins but genetically they are siblings. Medically the kids are called quaternary twins.
2026-06-21 22:30:19
5196
papacasey :
This has happened, Josh and Jeremy Salyers married twin sisters and both had kids at the same time.
2026-06-21 02:44:26
1397
user4551673533780 :
Genetically they are siblings
2026-06-21 15:03:20
398
🪻🌸Petunia🌸🪻 :
Yes. They’re biologically siblings
2026-06-22 14:14:36
83
McDontGiveAFck🥓🍉🧑🏾🌾 :
I mean, not exactly. the issue is that while identical twins begin from the same fertilized egg (meaning they start with the same DNA), mutations occur throughout their lives either randomly through mistakes or from environmental factors, so by the time they have children their DNA is different enough to be able to be detected, so if identical twins had children with another set of identical twins, they could look like siblings but they would still be cousins. (small fact here, the chances of this situation ending up with another set of identical twins is significantly higher than the chance of a non-twin/non-twin or an identical twin/non-twin having identical twins 😂
2026-06-20 06:04:01
29
imanightperson :
How high are you?
2026-06-22 19:54:37
12
InAtlStyle :
The children are legally cousins, but genetically they are full siblings. Identical twins have the identical DNA and current technology can’t determine with any degree of certainty, which twin is the actual parent.
2026-06-22 05:23:46
85
livlaughlove :
short answer: no
long answer: noooooo
2026-06-20 06:08:16
47
Harry Potter :
genetically, practically, but in terms of family relationships, they'd still be cousins.
2026-06-20 18:00:02
52
mehhhhhh820 :
If both set of parents are identical twins, genetically speaking they are siblings.
2026-06-22 19:01:16
7
jordanthezillenial :
Yes bc the dna structure is similar enough to be considered siblings, and no bc they’re literal cousins
2026-06-21 08:07:29
10
Gracie Lou Freebush :
Genetically they are siblings yes
2026-06-22 17:32:16
7
Butcher Wally :
actually this has happened before. and biologically yes they are siblings but they must likely socially won't be.
2026-06-20 20:44:14
12
Cosmic :
Legally, they’re 1st cousins but GENETICALLY They’re full siblings
2026-06-23 00:11:20
10
Denglion :
Legally theyre cousins but they would share the same amount of DNA as siblings.
2026-06-20 21:52:21
6
michaeltenn :
I mean genetically yes they would be, but circumstantially obviously not
2026-06-22 03:50:57
6
Nosy.bitch :
They are more like siblings then cousins
2026-06-22 00:17:21
6
Lexi🏳️⚧️🇵🇸🇸🇩🇨🇩 :
they'd be double cousins, and be genetically indistinguishable from siblings
2026-06-21 22:05:06
8
Etone🃏 :
Aren’t they cousins
2026-06-20 05:50:52
7
Shayliena :
yes cause the DNA will be the exact same. so they will be cousins and siblings.
2026-06-22 15:47:31
8
tigernobiting :
even if identical twins have kids with unrelated folk, the kids are genetically half siblings.
2026-06-23 07:27:11
0
PhilosophicalPeacock :
yes. genetically they're siblings.
2026-06-22 19:37:29
2
bruh :
no they are cousins. being a twin doesn’t make u the same person
2026-06-23 04:07:15
3
Qluckers :
No they’re not siblings, I don’t understand why people even think this.
2026-06-23 00:12:04
2
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