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

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

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

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

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

What relation is your mother's daughter's grandmother's grandson to you ?