Select the relation and press Add Button.

What relation is your brother's father's wife's son to you ?

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

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

What relation is your sister's grandfather's wife's grandson to you ?

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

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