Complex sentence: Antiquaries Journal 90: 441-53 Cunnington's work was funded by a number of patrons, the wealthiest of whom was Richard Colt Hoare, who had inherited the Stourhead estate from his grandfather in 1785.
Split into simpler sentences: Antiquaries Journal 90: 441-53 Cunnington's work was funded by a number of patrons, the wealthiest of whom was Richard Colt Hoare. Hoare was an extremely wealthy man, having inherited the Stourhead estate from his grandfather in 1785.