Complex sentence: He was the father of John Wilkes Booth, an actor and the assassin of U.S. President Abraham Lincoln, Edwin Booth, the foremost tragedian of the mid-to-late 19th century, and Junius Brutus Booth, Jr., an actor and theatre manager.
Split into simpler sentences: He was the father of actor John Wilkes Booth, the assassin of U.S. President Abraham Lincoln. His other children were Edwin Booth, the foremost tragedian of the mid-to-late 19th century, and Junius Brutus Booth, Jr., an actor and theatre manager.