Grandparents (both grandfather and grandmother); a common everyday term for family relations.
週末は祖父母の家に遊びに行くことが多い。
I often visit my grandparents' house on weekends.
祖父母から昔の話を聞くのが好きだ。
I like hearing old stories from my grandparents.
祖父母の介護について家族で話し合った。
We had a family discussion about caring for our grandparents.