Joseph Robinette "Joe" Biden, Jr. (born 20 November 1942) is the 47th and current Vice President of the United States, serving under President Barack Obama. As a Democrat, he was the senator for Delaware from 1973 until 2009 when he had to resign in order to take up the post of Vice President. In 1966 he married Neilia Hunter and the couple had three children together. In 1972 his wife and daughter were killed in a car crash, his sons were critically injured but made full recoveries. In 1977 he married Jill Tracy Jacobs and they have a daugher together.