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It is possible, but very disgusting and indeed illegal, and the children may be born malformed because of the close connection between their mother and father's genes.
Wiki User
∙ 13y ago
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What relation would your sister's son be to your sister-in-law's son?
If your sister-in-law is the sister of your spouse, her son is not related to your sister's son. If your sister-in-law is the wife of your brother, her son and your sister's son are first cousins.
Are your sister's son and husband's sister's son related?
Your sister's son is not related to your husband's sister's son, because they share no common ancestor.
What is your sister's daughter's son to your son?
Your sister is your son's aunt. Your sister's daughter is your sons first cousin. Your sister's daughter's son (your sister's grandson) is your son's first cousin, once removed.
The son of my sister is my?
The son of your sister is your nephew.
Is your sister's husband's sister's son related to you?
No. Your sister's husband is your brother-in-law, but his sister (and her son) are not related to you. However, that son is your sister's nephew.
What is your sister to your daughter's son?
Your sister is your son's aunt. Your sister's daughter is your sons first cousin. Your sister's daughter's son (your sister's grandson) is your son's first cousin, once removed.
What is sister son called?
Your sister's son, is your nephew.
What is relation name for your husband's sister's son?
Your husband's sister's son is your nephew, just as your sister's son is your nephew.
What is the word for your sister's son?
Your sister's son is your nephew. You are his uncle if you are a man, or his aunt if you are a woman. Your sister's son is your nephew.
How do you call sister's son son?
Your sister's son' son is her grandson. Your sister's grandson is your great nephew. You are his great uncle or great aunt.
What is my sister's son called?
Your sister's son, is your nephew.
What is someone to his son's sister?
Her father, unless the son and his sister have different fathers which would make him nothing to his son's sister.
