Complex sentence: Jones was a regular contributor in her early campaigns to former U.S. Senator Mary Landrieu of Louisiana, as well as former U.S. President Bill Clinton and former Senators John Breaux of Louisiana and Blanche Lincoln of Arkansas.
Split into simpler sentences: Jones was a regular contributor in her early campaigns to former U.S. Senator Mary Landrieu of Louisiana. He also financially supported former U.S. President Bill Clinton and former Senators John Breaux of Louisiana and Blanche Lincoln of Arkansas.