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

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

What relation is your father's son's aunt's niece's mother's cousin to you ?

What relation is your son's uncle's aunt's niece's mother's brother in law to you ?

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

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