Complex sentence: He admits that William the Conqueror, another descendant of this dynasty, generally enjoyed good health but points out that William fell seriously ill following the Battle of Hastings (1066), resting for a month near Canterbury.
Split into simpler sentences: He admits that William the Conqueror, another descendant of this dynasty, generally enjoyed good health. But points that William fell seriously ill following the Battle of Hastings (1066), resting for a month near Canterbury.