Complex sentence: The royal Forest of Galtres was established by the Norman kings of England in North Yorkshire, to the north of the county town of York; the main settlement within the royal forest was the market village of Easingwold.
Split into simpler sentences: The royal Forest of Galtres was established by the Norman kings of England in North Yorkshire, to the north of the county town of York. The main settlement within the royal forest was the market village of Easingwold.