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

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

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

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

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

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