Peerage Record – 10119

     Maria-Anna Sybilla Margaretha Baronin von Humboldt-Dachroeden was born on 9 July 1916.¹ She is the daughter of Alexander Wilhelm Ernst Bernhard Baron von Humboldt-Dachroeden and Katharina Daum.¹ She married, firstly, Hubertus Karl Wilhelm Prinz von Preußen, son of Wilhelm, Deutscher Kronprinz, Kronprinz von Preußen and Cecilie Auguste Marie Herzogin von Mecklenburg-Schwerin, on 29 December 1941 at Oels Castle, Oels, Silesia, Germany^G.¹ She and Hubertus Karl Wilhelm Prinz von Preußen were divorced on 4 January 1943.² She married, secondly, Constantine Hahm on 19 March 1945 at Joachimsthal, Germany^G.³ She and Constantine Hahm were divorced on 12 December 1947.³
     She gained the title of Baroness von Humboldt-Dachroeden.³

     Magdalene Pauline Prinzessin Reuss zu Köstritz was born on 20 August 1920 at Leipzig, Brandenburg, Germany^G.¹ She is the daughter of Heinrich XXXVI Prinz Reuss zu Köstritz and Hermine Prinzessin von Schönburg-Waldenburg.¹ She married Hubertus Karl Wilhelm Prinz von Preußen, son of Wilhelm, Deutscher Kronprinz, Kronprinz von Preußen and Cecilie Auguste Marie Herzogin von Mecklenburg-Schwerin, on 5 June 1943 at Schloss Prillwitz, Mecklenburg-Vorpommern, Germany^G.¹

     Anastasia Viktoria Cecilie Hermine Prinzessin von Preußen was born on 14 February 1944 at Brieg^G.¹ She is the daughter of Hubertus Karl Wilhelm Prinz von Preußen and Magdalene Pauline Prinzessin Reuss zu Köstritz. She married Aloys-Konstantin IX Fürst zu Löwenstein-Wertheim-Rosenberg, son of Karl VIII Fürst zu Löwenstein-Wertheim-Rosenberg and Carolina dei Conti Rignon, on 8 October 1965 at Bronnbach an der Tauber, Germany^G, in a civil marriage, They remarried on 8 Nov 1965 in a religious ceremony at Erbach, Rheingau.¹
     She gained the title of Prinzessin von Preußen (styled as HRH Princess of Prussia.¹)

     Marie-Christine Prinzessin von Preußen was born on 18 July 1947 at Gelnhausen, Hessen, Germany^G.¹ She was the daughter of Hubertus Karl Wilhelm Prinz von Preußen and Magdalene Pauline Prinzessin Reuss zu Köstritz. She died on 29 May 1966 at age 18 at Giessen, Hessen, Germany^G, killed in a car accident.¹
     She gained the title of Prinzessin von Preußen (styled as HRH Princess of Prussia.)

     Lady Brigid Katherine Rachel Guinness was born on 30 July 1920 at London, England^G.¹ She was the daughter of Rupert Edward Cecil Lee Guinness, 2nd Earl of Iveagh and Lady Gwendolen Florence Mary Onslow.¹ She married, firstly, Friedrich Georg Wilhelm Christoph Prinz von Preußen, son of Wilhelm, Deutscher Kronprinz, Kronprinz von Preußen and Cecilie Auguste Marie Herzogin von Mecklenburg-Schwerin, on 30 July 1945 at Little Hadham, Hertfordshire, England^G.¹ She married, secondly, Major Anthony Patrick Ness, son of Gordon Stuart Ness, on 3 June 1967 at Old Windsor, Windsor, Berkshire, England^G.³ She died on 8 March 1995 at age 74.⁴
     From 30 July 1945, her married name became Mansfeld. From 3 June 1967, her married name became Ness.³

     Frederick Nicholas Prinz von Preußen was born on 3 May 1946 at London, England^G.² He is the son of Friedrich Georg Wilhelm Christoph Prinz von Preußen and Lady Brigid Katherine Rachel Guinness.¹ He married Hon. Victoria Lucinda Mancroft, daughter of Stormont Mancroft Mancroft, 2nd Baron Mancroft and Diana Elizabeth Lloyd, on 27 February 1980 at London, England^G.²
     He was given the name of Friedrich Nicholas von Preußen at birth.² He was educated at Aiglon College, Chesières-Villars, Switzerland.³ He gained the rank of officer in the Scots Greys. He was a racing driver.³ He lived in 2003 at Maperton House, Wincanton, Somerset, England^G.¹

     William Andrew Prinz von Preußen was born on 14 November 1947 at London, England^G.¹ He is the son of Friedrich Georg Wilhelm Christoph Prinz von Preußen and Lady Brigid Katherine Rachel Guinness.² He married Alexandra Blahova, daughter of Frantisek Blahova and Vlasta Dokoupilova, on 2 January 1979 at London, England^G.¹
     He was also known as William Andrew Mansfeld.

     Rupert Alexander Frederick Prinz von Preußen was born on 28 April 1955 at London, England^G.¹ He is the son of Friedrich Georg Wilhelm Christoph Prinz von Preußen and Lady Brigid Katherine Rachel Guinness.² He married Ziba Rastegar-Javaheri, daughter of Mortéza Rastegar-Javaheri and Rabeéh Baghaii-Kermani, on 5 January 1982 at London, England^G.¹
     He was also known as Rupert Alexander Friedrich Mansfeld. He lived in 2003 at 53 Redington Road, London, England^G.²

     Victoria Marina Cecilie Prinzessin von Preußen was born on 22 February 1952 at London, England^G.¹ She is the daughter of Friedrich Georg Wilhelm Christoph Prinz von Preußen and Lady Brigid Katherine Rachel Guinness.² She married Philippe Alphonse Achache, son of Jean Robert Achache and Jacqueline Henriette Andrieu, on 3 May 1976 at Albury, Hertfordshire, England^G.¹
     She was also known as Victoria Marina Cecile Mansfeld. From 3 May 1976, her married name became Achache.

     Antonia Elizabeth Brigid Luise Prinzessin von Preußen was born on 28 April 1955.^1,3 She is the daughter of Friedrich Georg Wilhelm Christoph Prinz von Preußen and Lady Brigid Katherine Rachel Guinness.⁴ She married Arthur Charles Valerian Wellesley, 9th Duke of Wellington, son of Brigadier Arthur Valerian Wellesley, 8th Duke of Wellington and Diana Ruth McConnel, on 3 February 1977 at St. Paul’s Church, Knightsbridge, London, England^G.⁵
     She was also known as Antonia Elizabeth Brigid Luise Mansfeld. She was educated at King’s College London, London, England^G. From 3 February 1977, her married name became Wellesley. After her marriage, Antonia Elizabeth Brigid Luise Prinzessin von Preußen was styled as Marchioness of Douro on 3 February 1977. She lived in 2003 at The Old Rectory, Stratfield Saye, Reading, Berkshire, England^G.⁴ She was appointed Officer, Order of the British Empire (O.B.E.) in June 2008.⁶