Edwin Booth was the considered the greatest American actor of the Nineteenth Century. Of course, he was also the older brother of that even more (in)famous (at least today) actor, John Wilkes Booth. But for years, Wilkes took second stage (no pun intended) to Edwin. During his lifetime, Wilkes was always "the brother of Edwin". Then in an instant on April 14, 1865, Edwin was suddenly the brother of Wilkes.
For a bit more about Edwin, Wilkes, and the other "Mad Booths of Maryland" (to quote one of their earlier biographers), just click here.