YOU SAID:
I have two sisters and their parents have three childs
INTO JAPANESE
私には2人の姉妹がいて、その両親には3人の子供がいます
BACK INTO ENGLISH
I have two sisters and their parents have three children
INTO JAPANESE
私には2人の姉妹がいて、その両親には3人の子供がいます
BACK INTO ENGLISH
I have two sisters and their parents have three children
You've done this before, haven't you.