Complex sentence: The Palace of Woodstock (not to be confued with Blenheim Palace) was a Royal hunting lodge, a huge area spreading from Woodstock to Yarnton and beyond was very wooded and full of harts and fallow deer.
Split into simpler sentences: The Palace of Woodstock (not to be confused with Blenheim Palace) was a royal hunting lodge. A large area spreading from Woodstock to Yarnton and beyond was very wooded and included harts and fallow deer.