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

What relation is your father's wife's sister's niece's brother's father in law to you ?

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

What relation is your mother's sister's daughter's uncle to you ?

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

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