Line of succession to the British throne

1. The Prince of Wales (The Prince Charles; b. 1948), son of Queen Elizabeth II
2. HRH Prince William of Wales (b. 1982), son of The Prince of Wales
3. HRH Prince Henry of Wales (b. 1984), son of The Prince of Wales
4. HRH The Duke of York (The Prince Andrew; b. 1960), son of Queen Elizabeth II
5. HRH Princess Beatrice of York (b. 1988), daughter of The Duke of York
6. HRH Princess Eugenie of York (b. 1990), daughter of The Duke of York
7. HRH The Earl of Wessex (The Prince Edward; b. 1964), son of Queen Elizabeth II
8. Viscount Severn (b. 2007), son of The Earl of Wessex
9. Lady Louise Windsor (b. 2003), daughter of The Earl of Wessex
10. HRH The Princess Royal (The Princess Anne; b. 1950), daughter of Queen Elizabeth II

Source: http://en.wikipedia.org/wiki/Line_of_succession_to_the_British_throne