Photos from Meet Queen Elizabeth II's Great-Grandchildren

The House of Windsor spans many generations. Just to clear up any confusion, Lady Louise Windsor, born on Nov. 3, 2003, and James, Viscount Severn, born on Dec. 17, 2007, are Queen Elizabeth II's grandchildren, not great-grandchildren. Their parents are the monarch's youngest son Prince Edward, Earl of Wessex—who is 15 years younger than heir Prince Charles, and wife Sophie, Countess of Wessex.