Your son's sister's grandmother's daughter's father is your which relation ?

Your

Son's

Sister's

Grandmother's

Daughter's

Father

is your FATHER !!

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

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

What relation is your husband's daughter's grandfather's mother to you ?

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

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

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