Antonia Elizabeth Brigid Louise Mansfeld von Preußen was born 28 April 1955 in London, Greater London, England, United Kingdom to Friedrich von Preußen (1911-1966) and Brigid Katherine Rachel Guinness (1920-1995) . She married Arthur Charles Valerian Wellesley, 9th Duke of Wellington (1945-) 3 February 1977 in St. Paul's Church, Knightsbridge, Greater London, England, United Kingdom. Charlemagne (747-814)/s, Johan Willem Friso van Nassau-Dietz (1687-1711)/s, Henry II of England (1133-1189)/s, Willem van Oranje (1533-1584)/s, Hugh Capet (c940-996)/s, Gustav I of Sweden (1496-1560)/s, Robert I of Scotland (1274-1329)/s.
|Offspring of Arthur Charles Valerian Wellesley, 9th Duke of Wellington and Antonia von Preußen (1955-)|
|Arthur Gerald Wellesley (1978-)|
|Honor Victoria Wellesley (1979-)|
|Mary Luise Wellesley (1986-)|
|Charlotte Anne Wellesley (1990-)|
|Frederick Charles Wellesley (1992-)|