YOU SAID:
I have to share a room with my brother sean.
INTO JAPANESE
私は兄のショーンと部屋を共有しなければならない。
BACK INTO ENGLISH
I have to share a room with my brother Sean.
INTO JAPANESE
私は兄のショーンと部屋を共有しなければならない。
BACK INTO ENGLISH
I have to share a room with my brother Sean.
Well done, yes, well done!