YOU SAID:
His hers his hers his
INTO JAPANESE
彼の彼女の彼女の彼の
BACK INTO ENGLISH
His her her her his
INTO JAPANESE
彼の彼女彼女彼女彼
BACK INTO ENGLISH
His girlfriend girlfriend girlfriend he
INTO JAPANESE
彼のガールフレンドガールフレンドガールフレンド彼
BACK INTO ENGLISH
His girlfriend girlfriend girlfriend he
That didn't even make that much sense in English.