YOU SAID:

That old lady is not my grandmother; she is my ancient wife.

INTO JAPANESE

その老婦人は私の祖母ではないです。彼女は私の古代の妻です。

BACK INTO ENGLISH

The old lady is not my grandmother. She is the wife of my ancient.

INTO JAPANESE

老婦人は、私の祖母ではないです。彼女は私の古代の妻です。

BACK INTO ENGLISH

The old lady is not my grandmother. She is the wife of my ancient.