# What do you call this familial relationship?

**URL:** <https://boards.straightdope.com/t/what-do-you-call-this-familial-relationship/961655>\
**Category:** Factual Questions\
**Created:** [March 24, 2022, 8:28pm UTC](https://boards.straightdope.com/t/what-do-you-call-this-familial-relationship/961655 "2022-03-24T20:28:58Z")\
**Posts on this page:** 1\
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**Author:** ![Chronos](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/chronos/32/134_2.png) [@Chronos](https://boards.straightdope.com/u/Chronos)\
**Post date:** [March 24, 2022, 9:08pm UTC](https://boards.straightdope.com/t/what-do-you-call-this-familial-relationship/961655/18 "2022-03-24T21:08:30Z")

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> [@UltraVires](#):
>
> But it must mean ONLY one set or else all brothers would also be cousins.

All brothers are, in fact, cousins. Zeroth cousins, if you want to be more precise about it.

And there’s also such a thing as double cousins, where a pair of siblings from one family marry respectively a pair of siblings from another family, and then have kids. Those kids definitely aren’t siblings, but still have all four grandparents in common.

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