YOU SAID:

I knew a man with a sword once

INTO JAPANESE

私は一度剣を持つ男を知っていた

BACK INTO ENGLISH

I knew a man once with the sword

INTO JAPANESE

一度剣を持った男を知っていた

BACK INTO ENGLISH

The man with the sword once knew

INTO JAPANESE

剣を持つ男がかつて知っていた

BACK INTO ENGLISH

Once knew a man with a sword

INTO JAPANESE

剣を持つ男がかつて知っていた

BACK INTO ENGLISH

Once knew a man with a sword