The Eastern Heruls were first time mentioned in 267269 AD when they attacked Greece and the coasts of Asia Minor as pirates They were together with the Goths using the navy of the Bosporanes

Could you correct the punctuation please?
The Eastern Heruls were first time mentioned in 267-269 AD when they attacked Greece and the coasts of Asia Minor as pirates. They were together with the Goths using the navy of the Bosporanes.