Beau Biden
Two-term incumbent Governor Jack Markell was term-limited in 2016. Former Democratic Delaware Attorney General Beau Biden, the son of Vice President Joe Biden, announced his intention to run and was seen as the front-runner in the Democratic primary and general election, but he died of brain cancer at the age of 46 on May 30, 2015. Representative John Carney, a former Lieutenant Governor of Delaware who also ran for governor in 2008, won the Democratic nomination. State senator Colin Bonini won the Republican nomination.