Complex sentence: Born to John V. and Paulyne Leftwich at Tinker Air Force Base Hospital on July 6,1954, Keith C. Leftwich later graduated from Choctaw High School in 1972, where one of his many accomplishments was receiving the William Randolph Hearst Award for High School Seniors.
Split into simpler sentences: Born to John V. and Paulyne Leftwich at Tinker Air Force Base Hospital, Keith C. Leftwich graduated from Choctaw High School in 1972. One of his accomplishments there was receiving the William Randolph Hearst Award for High School Seniors.