Joe Biden is the 46th president of the United States. Prior to serving as commander in chief, he was the vice president under President Barack Obama. Before he was vice president, Biden represented the state of Delaware in the US Senate. He is a member of the Democratic Party. Biden is married to Dr Jill Biden who is also the first lady. His children are Hunter Biden, Naomi Biden, Ashley Biden and Beau Biden. Beau and Naomi have passed away.