|Lady Louise Windsor|
|Born|| 8 November 2003|
|Full name||Louise Alice Elizabeth Mary Mountbatten-Windsor|
|Father||Prince Edward, Earl of Wessex|
|Mother||Sophie, Countess of Wessex|
Lady Louise Windsor (Louise Alice Elizabeth Mary Mountbatten-Windsor; born 8 November 2003) is the elder child and only daughter of Prince Edward, Earl of Wessex, and Sophie, Countess of Wessex. She is the granddaughter of Queen Elizabeth II and Prince Philip, Duke of Edinburgh. At the time of her birth, Lady Louise was eighth in the line of succession to succeed her grandmother, but is now eleventh after the births of her brother James, and first cousins once removed Prince George and Princess Charlotte.