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What relation is your mother's brother's son's father to you ?

What relation is your father's sister's husband's son to you ?

What relation is your sister's mother's daughter's aunt's niece's grandfather to you ?

What relation is your daughter's sister's grandmother's cousin's son to you ?

What relation is your cousin's brother's mother's husband to you ?

What relation is your cousin's father in law's son's aunt to you ?