Complex sentence: That summer Queen Elizabeth was Southampton's guest at Titchfield Abbey, but in November both Southampton and his father-in-law, Viscount Montague, were implicated in the Northern Rebellion, although to all appearances neither was punished for his involvement.
Split into simpler sentences: That summer Queen Elizabeth was Southampton's guest at Titchfield Abbey, but in November both Southampton and his father-in-law, Viscount Montague, were implicated in the Northern Rebellion. To all appearances neither Southampton nor his father-in-law was punished for his involvement.