YOU SAID:

your brother is a mother

INTO JAPANESE

あなたの兄弟は、母です。

BACK INTO ENGLISH

Your brother is the mother.

INTO JAPANESE

あなたの兄弟は、母です。

BACK INTO ENGLISH

Your brothers are mothers.

INTO JAPANESE

あなたの兄弟は母親です。

BACK INTO ENGLISH

Your brothers are mothers.