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

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

What relation is your mother's husband's son's son in law to you ?

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

What relation is your son's uncle's aunt's niece's sister to you ?

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