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

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

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

What relation is your father's sister's daughter's uncle's cousin's brother to you ?

What relation is your cousin's uncle's daughter's father in law to you ?

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