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

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

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

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

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

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