我的爷爷72岁,奶奶70岁,父母都是一中老师,妹妹九岁。用英语怎么说？

我的爷爷72岁，奶奶70岁，父母都是一中老师，妹妹九岁。
My grandfather is 72 years
old and my grandmother is 70 years old. Both parents are teachers of No.1 middle
school and my sister is nine years old.

My grandfather is 72 years old, and my grandmother is 70 years old. My sister is 9 years old.

我的爷爷72岁,奶奶70岁,父母都是一中老师,妹妹九岁。
英语:
My grandpa is 72 years old, and my grandma is 70. Both my parents are the teachers in No 1 middle school. My sister is 9 years old.

my grandpa is 72，my grandma is 70，my parents are both teachers，my younger sister is 9.