YOU SAID:
harry and his mom are having a party because his dad died
INTO JAPANESE
お父さんが亡くなったので、ハリーと彼のお母さんはパーティーを開いています
BACK INTO ENGLISH
Harry and his mom are having a party because their dad passed away
INTO JAPANESE
お父さんが亡くなったので、ハリーと彼のお母さんはパーティーを開いています
BACK INTO ENGLISH
Harry and his mom are having a party because their dad passed away
That didn't even make that much sense in English.