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

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

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

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

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

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