• John McCain, said in separate research to be "related" to Robert the Bruce.

• McCain is a sixth cousin of first lady Laura Bush.

• Angelina Jolie -Clinton and Jolie are ninth cousins, twice removed, both related to Jean Cusson who died in St. Sulpice, Quebec, in 1718.

• Madonna

• Celine Dion

• Alanis Morissette

Clinton, who is of French-Canadian descent on her mother's side, is also a distant cousin of singers Madonna, Celine Dion and Alanis Morissette.

Clinton's distant cousins include beatnik author Jack Kerouac and Camilla Parker-Bowles, wife of Prince Charles of England.

• Brad Pitt - Pitt and Obama are ninth cousins, linked by Edwin Hickman, who died in Virginia in 1769. Ben LaBolt, a spokesman for the Obama campaign, declined to comment on the senator's ancestry.

• George W Bush and his father, George H.W. Bush- Obama and President Bush are 10th cousins, once removed, linked by Samuel Hinkley of Cape Cod, who died in 1662.

• Gerald Ford -38th President.

• Lyndon Johnson - 36th President

• Harry S. Truman - President 1948 - 1953

• James Madison - 4th President

• Dick Cheney - Vice President

• Winston Churchill - Mr Obama is also said to be distantly related to Sir Winston Churchill.

• Robert E. Lee - Civil War General