YOU SAID:

It was because of his son that everyone was staying in the boats

INTO JAPANESE

誰もがボートに留まっていたのは息子のおかげだった

BACK INTO ENGLISH

Everyone stayed on the boat because of their son.

INTO JAPANESE

誰もが息子のために船に留まった。

BACK INTO ENGLISH

Everyone stayed on the ship for their son.

INTO JAPANESE

みんな息子のために船に残った。

BACK INTO ENGLISH

Everyone stayed on the ship for their son.