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

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

What relation is your mother's sister's nephew's father to you ?

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

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

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