YOU SAID:
its my brothers birthday today, happy birthday to him!
INTO JAPANESE
今日の私の兄弟の誕生日、彼への誕生日おめでとう!
BACK INTO ENGLISH
My brother's birthday today, happy birthday to him!
INTO JAPANESE
今日の私の兄弟の誕生日、彼への誕生日おめでとう!
BACK INTO ENGLISH
My brother's birthday today, happy birthday to him!
That didn't even make that much sense in English.