YOU SAID:

They grew from an egg.

INTO JAPANESE

彼らは卵から育ちました。

BACK INTO ENGLISH

They grew out of eggs.

INTO JAPANESE

彼らは卵から生まれました。

BACK INTO ENGLISH

They were born from eggs.

INTO JAPANESE

彼らは卵から生まれました。

BACK INTO ENGLISH

They were born from eggs.