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Since your great grandfather was brother to the other person's great grandfather, the two great grandfathers had at least one parent in common. That parent is your common ancestor, the great great grandparent of both of you. People who share a grandparent are first cousins. People who share a great grandparent are second cousins. People who share a great great grandparent are third cousins. You are third cousins.

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Isaiah Mohr

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1y ago
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12y ago

Your parents and their parents are cousins. They are first cousins being two generation of the common ancestor. You would be second cousins.

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Wiki User

7y ago

A brother and sister's children are 1st cousins. Their children would be 2nd cousins.

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Q: What relation are grandchildren of brother and sister to each other?
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What relation to you is your wife's brother-in-law's brother?

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What relation are your brothers nieces to you?

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What's the relationship between a sister's brother and a sister's daughter?

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