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

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

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

What relation is your mother's husband's daughter's father to you ?

What relation is your daughter's grandfather's sister's brother in law to you ?

What relation is your wife's son's brother's daughter to you ?