Complex sentence: The castle declined subsequently, much stone being removed to renovate Windsor Castle instead nonetheless the town's Priory produced two of the greatest minds of the age, the mathematician Richard of Wallingford and the chronicler John of Wallingford.
Split into simpler sentences: The castle declined subsequently, much stone being removed to renovate Windsor Castle instead. Nonetheless the town's Priory produced two of the greatest minds of the age, the mathematician Richard of Wallingford and the chronicler John of Wallingford.