Complex sentence: She has one son, Wayne "Trey" Ralph Cleary III, who, in 2009 received an appointment to the U.S. Naval Academy, and was commissioned as a 2nd lieutenant in the United States Marine Corps in May 2013.
Split into simpler sentences: She has one son, Wayne "Trey" Ralph Cleary III, who, in 2009 received an appointment to the U.S. Naval Academy. He was commissioned as a 2nd lieutenant in the United States Marine Corps in May 2013.