YOU SAID:
My entire family except my sister sarah is back home today
INTO JAPANESE
私の姉のサラを除く私の家族全員が今日帰宅しています
BACK INTO ENGLISH
All my family except my older sister Sarah is coming home today
INTO JAPANESE
私の姉のサラを除く私の家族全員が今日帰宅しています
BACK INTO ENGLISH
All my family except my older sister Sarah is coming home today
Well done, yes, well done!