YOU SAID:

He is her brother, and she is the mother of his nephew.

INTO JAPANESE

彼は彼女の兄と、彼の甥の母である彼女。

BACK INTO ENGLISH

He is her mother of her brother and his nephew.

INTO JAPANESE

彼は彼女の兄と甥の母親に。

BACK INTO ENGLISH

His mother for her brother and nephew.

INTO JAPANESE

彼女の兄と甥の母親。

BACK INTO ENGLISH

The mother of her brother and nephew.

INTO JAPANESE

彼女の兄と甥の母。

BACK INTO ENGLISH

The mother of her brother and nephew.