Complex sentence: Tents were used at least as far back as the early Iron Age; they are mentioned in the bible, for example in the where Jabal is described as'the first to live in tents and raise sheep and goats'.
Split into simpler sentences: Tents were used at least as far back as the early Iron Age. They are mentioned in the Bible; for example, in the Jabal is described as'the first to live in tents and raise sheep and goats'.