Complex sentence: Zevon stated previously that his illness was expected to be terminal within months after diagnosis in the fall of 2002; however, he lived to see the birth of twin grandsons in June 2003 and the release of "The Wind" on August 26,2003.
Split into simpler sentences: Zevon stated previously that his illness was expected to be terminal within months after diagnosis in the fall of 2002. However, he lived to see the birth of twin grandsons in June 2003 and the release of "The Wind" on August 26,2003.