

Human: Is there a such thing as third cousins?

Assistant: Yes, there is, a “third cousin” is the child of your first cousin’s child, or the child of your second cousin’s child.   For instance, if you have a cousin named Jane and she has a child named Rachel, Rachel is your third cousin.


Human: Is there a such thing as third cousins?

Assistant: It depends on how you define cousins.  “Third cousins” is probably a specific relationship between two cousins that are related to each other through their common ancestor.  This is the same as being “second cousins once removed”.
Is there a such thing as third cousins?
Yes, there is, a “third cousin” is the child of your first cousin’s child, or the child of your second cousin’s child.   For instance, if you have a cousin named Jane and she has a child named Rachel, Rachel is your third cousin.
It depends on how you define cousins.  “Third cousins” is probably a specific relationship between two cousins that are related to each other through their common ancestor.  This is the same as being “second cousins once removed”.