Joseph Robinette "Beau" Biden III (February 3, 1969 – May 30, 2015) was an American attorney and politician for the Democratic Party. He served as the 44th Attorney General of Delaware from January 2, 2007 until January 6, 2015. He also was a Major in the Delaware Army National Guard. He was the son of President Joe Biden and stepson of First Lady Jill Biden.