Select the relation and press Add Button.

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

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

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

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

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

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