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Theoretically, your sister.

If your sister marries, her husband is now your brother in law. So his wife would be your sister. If he has re-married, he is technically not your brother in law anymore, so you have no direct relation to his wife.

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Your brother-in-law's wife is your sister-in-law. That is to say your wife's brother.

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12y ago
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Wiki User

14y ago

I think it is a second Cousin... if you think about it....

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Q: What do you call your brothers kids children?
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Related questions

What do you call your brothers kids kids?

Your brother's children would be called your nieces or nephews.


How should I call my brother's kids?

Your brothers children are your nephews (boys) and nieces (girls).


What do you call your own brothers kids?

Your brother's children would be called your nieces or nephews.


What Was The Wright Brothers kids Names?

they did not had children


What do you call your dads brothers kids?

your cousin.


What you call fathers brothers children?

Cousins


Did the wright brothers have kids?

No,Wilbur state, '' I don't have time for children and airplanes.''


What does George Clooney call himself to his kids?

He has no children.


Are Barack Obama's children fans of the Jonas Brothers?

Barack Obama's kids are very much fans of the Jonas brothers.


IN a family every children has 3 sisters and 3 brothers then how many children are there in a family?

at least seven kids


What do you call children of 2 brothers married to 2 sisters?

cousins


Did Athena brothers and sisters have kids?

Yes, as the siblings of Athena would be the children of Zeus - almost all of the children of Zeus had children of their own.