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

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

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

What relation is your husband's son's uncle's sister's mother's daughter to you ?

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

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