Louise, Princess Royal and Duchess of Fife

Her Royal Highness The Princess Royal (1867–1931) was a British Duchess.

Styles
1867–1889: Her Royal Highness Princess Louise of Wales

1889–1901: Her Royal Highness Princess Louise, Duchess of Fife

1901–1905: Her Royal Highness The Princess Louise, Duchess of Fife

1905–1931: Her Royal Highness The Princess Royal