YOU SAID:

i told her to not tell you about him telling them.

INTO JAPANESE

私は彼女に彼が彼らに話したことについてあなたに話すなと言った。

BACK INTO ENGLISH

I told her not to tell you about what he had told them.

INTO JAPANESE

私は彼女に彼が彼らに言ったことについてあなたに話すなと言った。

BACK INTO ENGLISH

I told her not to tell you about what he told them.

INTO JAPANESE

私は彼女に彼が彼らに言ったことについてあなたに話すなと言った。

BACK INTO ENGLISH

I told her not to tell you about what he told them.