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

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

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

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

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

What relation is your sister's father's mother's grandson's daughter in law to you ?