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

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

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

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

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

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