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

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

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

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

What relation is your daughter's grandfather's son's cousin's brother's sister to you ?

What relation is your son's sister's grandfather's brother's cousin to you ?