Complex sentence: In the 2010 election, Virginia Hackson was elected mayor, Cathy Morton, Marlene Johnston were re-elected to council, and were joined by Tara Roy-DiClemente and John Eaton.
Split into simpler sentences: In the 2010 election, Virginia Hackson was elected mayor, Cathy Morton, Marlene Johnston. Joining them were Tara Roy-DiClemente and John Eaton.