YOU SAID:
My brother committed suicide last week by jumping off a bridge.
INTO JAPANESE
私の兄弟は先週、橋から飛び降りて自殺しました。
BACK INTO ENGLISH
My brother jumped off a bridge last week and committed suicide.
INTO JAPANESE
私の兄弟は先週、橋から飛び降り自殺した。
BACK INTO ENGLISH
My brother jumped off a bridge last week and committed suicide.
That didn't even make that much sense in English.