Your mother's sister's brother's son is your which relation ?

Your

Mother's

Sister's

Brother's

Son

is your COUSIN !!

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

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

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

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

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

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