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What relation is your father's son's aunt's nephew's grandfather to you ?

What relation is your sister's grandmother's grandson's brother's uncle to you ?

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

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

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

What relation is your father's mother's grandson's brother's brother in law to you ?