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What relation is your grandmother's grandson's aunt's sister's brother in law to you ?

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

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

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

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

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