| Father | Albert Frederick Arthur George VI King of the United Kingdom and the British Dominions and Emperor of India, Head of the Commonwealth (1895 - 1952) |
| Mother | Elizabeth Angela Marguerite Bowes-Lyon The Honourable Bowes-Lyon, Duchess of York, Queen of the United kingdom and Ireland, Empress of India, Queen Elizabeth I (1900 - 2002) |
| Sibling | Margaret Rose Armstrong-Jones Princess of York Princess of Great Britain Countess of Snowdon (1930 - 2002) |