We are studying family designation.
we have deferent each name of my family side and someone else’s family side in Japanese.
My family                    someone else’s family
(Watashi no) haha      (John san no) otoo san
(Watashi no) chichi     (John san no) okaa san
(Watashi no) Ani         (John san no) Onii san
(Watashi no) Ane        (John san no) onee san