Complex sentence: He arrived in Van Diemen's Land in October 1812 in the "Indefatigable", and was assigned to a Mr. John Ingle, a merchant and, but ran away and joined a large party of escaped convicts in the bush.
Split into simpler sentences: He arrived in Van Diemen's Land in October 1812 in the "Indefatigable", and was assigned to a Mr. John Ingle, a merchant and. He escaped, and joined a large party of escaped convicts in the bush.