Complex sentence: Garland then studied law at the University of Virginia and subsequently practiced in Boydton, Virginia, where his brother Landon Garland was a professor at Randolph Macon College.
Split into simpler sentences: Garland then studied law at the University of Virginia. Garland practiced the law in Boydton, Virginia, where his brother Landon Garland was a professor at Randolph Macon College.