Complex sentence: According to Maggie's father-in-law, William Morton, the sisters were all actresses from a very early age and that Maggie had an amusing diary in rhyme written by Carroll about her visit to Oxford as a young child.
Split into simpler sentences: According to Maggie's father-in-law, William Morton, the sisters were all actresses from a very early age. He said that Maggie had an amusing diary in rhyme written by Carroll about her visit to Oxford as a young child.