?? What do you mean? I could not really understand. Please ask a little clearer!one's parent's father and mother are one'sgrandpa and grandma, or grandfather and grandmother.
你父母亲的父亲及母亲? 你想问那一个?Your father's father & mother is called grandfather & grandmother.你父亲的父亲和母亲叫祖父及祖母Your mother's father & mother is called grandfather-in-law & grandmother-in-law.你母亲的父亲及母亲叫外祖父及外祖母
