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What relation is your aunt's sister's cousin's brother in law to you ?

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

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

What relation is your husband's son's uncle's mother to you ?

What relation is your mother's husband's sister's brother in law to you ?

What relation is your father's daughter's brother's aunt to you ?