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

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

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

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

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

What relation is your brother's sister's aunt's nephew to you ?