Complex sentence: Between 1830 and 1902 there were five Deans of Chichester, Chandler probably had the best rapport with his chapter, whereas the four that succeeded him all had problems.
Split into simpler sentences: Between 1830 and 1902 there were five Deans of Chichester. Of the five Chandler probably had the best rapport with his chapter, whereas the four that succeeded him all had problems.