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

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

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

What relation is your daughter's grandmother's sister's nephew to you ?

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

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