From then for the next 300 years, until 1672, the Forest became known as "Lancaster Great Park", even though the Park reverted to the Crown along with the rest of the Duchy of Lancaster after the Duke's death in 1399.
Even though the Park reverted to the Crown along with the rest of the Duchy of Lancaster after the Duke's death in 1399. This was what the Forest became known as "Lancaster Great Park" from then for the next 300 years.