People Obama is related to:

McCain, bush, Churchill, Lyndon Johnson, Truman, Ford, Georgia O'Keefe, the Duchess of Windsor and two men who signed the Declaration of Independence.

Most surprisingly, Obama -- the man who could become America's first African-American president -- is linked by ancestry to Robert E. Lee, who commanded the armies of the Southern slave-holding states during the American civil war.

Source: http://www.cnn.com/2008/POLITICS/03/26/candidates.relatives/index.html

About half of the US Presidents are descended from one of the early Kings of England, which means they are also descended from Charlemagne.

What is funny is that cheney is still the black sheep of the family.

What happens to the other black sheep? All these famous people have genealogists tracing relationships to the great and the good, but nary a sheep stealer, highwayman, bigamist or common criminal among them in a period of hundreds of years Our aristocracy, on the other hand, invariably throws up some murderous individual or illegitimate ancestor, at the very least, in their history Think of the glamour in Mrs Clinton being able to claim that she was a descendant of a famous, powerful,ambitious liar, who got power by cheating, or of some fearsome woman who succeeded her husband after his demise.We have had quite a few of those in British history, that's certain e.g. Harold II got power by cheating and lying but was defeated at the Battle of Hastings ( by an illegitimate man, as it happens).

Winston Churchill figures a lot in these American ancestries. He had an American mother. Her family must have got about a bit in the past !

Somebody over there claimed that McCain has Robert the Bruce in his family history. The Times found this amusing. They found a Scots historian who said that ancestries from that period were impossible to do. All was guesswork, wild speculation and hopeless dead ends.However, there must be at least 200 million people alive today who could be of that line.