Your father's sister's son's father+in+law is your which relation ?

Your

Father's

Sister's

Son's

Father in law

is your UNCLE !!

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

What relation is your grandmother's grandson's sister's brother to you ?

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

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

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

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