If your daughter's brother-in-law is the brother of your son-in-law he is not otherwise related to you.
If your daughter's brother-in-law is husband of her sister, then he is your son-in-law.
They are sisters; both daughters of Rhea and Cronus.
They would be great nieces or great nephews.
your second nephew
Second cousins once removed.
Your sister's son is your nephew His sons are your grandnephews, and his daughters are your grandnieces.
Your sister's son is your nephew His sons are your grandnephews, and his daughters are your grandnieces.
No. She is obviously no relation to him or he would be asking about his wife.No. She is obviously no relation to him or he would be asking about his wife.No. She is obviously no relation to him or he would be asking about his wife.No. She is obviously no relation to him or he would be asking about his wife.
Their daughters.
Your daughter and your first cousin are first cousins, once removed.
Most likely they would not be related to you
It says what relation are your brothers nieces to you.... It could be your child or your niece also causes you can have two brothers and it may be the other ones kids. Or of course it could be your brother's new wife kid by another man making her no relation.
Technically there is no relationship. When introducing her, you would refer to her as My daughter's mother-in-law.