Submitted by Leo van de Pas corrections/additions are welcome
Descendants of Mr. Hugo de Groot (gen 12-1-50 of 13 generations)
XII-1 (XI-3-2) (1) 1 Baron Ernest George Frederik van Tuyll van Serooskerken Born 6 June 1939 's-Gravenhage Married 21 October 1961 Zandvoort Jkvr. Wilhelmine Quarles van Ufford, daughter of Jhr. Pieter Quarles van Ufford and Wilhelmina Johanna Ada Tameling Born 8 March 1942 Haarlem Children, Generation XIII-1 2 Baron Willem Jan van Tuyll van Serooskerken Born 28 September 1942 's-Gravenhage Married 11 July 1964 Twello Jkvr. Louise Inès Röell, daughter of Jhr. Cornelis Röell and Jkvr. Eleonore Jeanne van Haersma de With Born 2 April 1942 Bussum Children, Generation XIII-2 3 Baron Hendrik Paul Edgar van Tuyll van Serooskerken Born 6 March 1944 's-Gravenhage Married 30 September 1966 Lutry, Switzerland Maija Annaliisa Rantamaa, daughter of Ds. Antti Johannes Rantamaa and Selma Johanna Leppanen Born 15 December 1940 Helsinki Children, Generation XIII-3 4 Baron Georges van Tuyll van Serooskerken Born 4 February 1946 's-Gravenhage Married 21 March 1975 Bloemendaal Jkvr. Anne Marie Barnaart, daughter of Jhr. Rudolf Barnaart and Julia Christina Tameling Born 1 September 1945 Haarlem Children, Generation XIII-4 XII-2 (XI-3-3) 1 Jkvr. Pauline Caroline Alwine van Tets Born 28 June 1943 's-Gravenhage 2 Jhr. Drs. George Gerard Willem van Tets Born 18 January 1945 's-Gravenhage Married 21 April 1976 Wassenaar Barber van Lede, daughter of Cornelis Paulus van Lede and Maria Henriette Paulina van Schaik Born 13 March 1950 Wassenaar Children, Generation XIII-5 3 Jhr. Drs. Rijnhard Willem Ferdinand van Tets Born 7 April 1947 's-Gravenhage Married 3 July 1975 's-Gravenhage Clara Laurentia Elisabeth van Tienhoven, daughter of Gijsbert van Tienhoven and Antoinetta Frederica Fernanda de Booij Born 7 December 1950 Bloemendaal Children, Generation XIII-6 4 Jhr. Willem Frederik van Tets Born 27 August 1958 's-Gravenhage Married 27 May 1987 Bloemendaal Annette Ingrid van der Tuuk, daughter of Anton Garrelt Edema van der Tuuk and Marianne Hilda Elisabeth Grönwall Born 11 January 1958 Manhattan, New York S.P. XII-3 (XI-4-1) (1) 1 = XI-16-1 (2) 2 Jkvr. Karin Wittert van Hoogland Born 25 December 1943 Arnhem Married 17 June 1967 Zeist Div.21-8-1992 Mr. Peter Frans Christiaan Koch, Ambassador, son of Pieter Frans Christiaan Koch and Jkvr. Hedwig Maria de Geer Born 24 January 1940 Utrecht Children, Generation XIII-7 3 Oscar Reijndert Hugo Baron Wittert van Hoogland Heer van Hoogland, Emiclaer en Langenoord Born 12 August 1954 Velp, Gelderland Married 6 July 1979 Broadhembury, Devon Annie Ursula Prior-Palmer, daughter of Sir Otho Leslie Prior-Palmer and Sheila Mary Weller Poley Born 25 May 1948 Chichester, Sussex Children, Generation XIII-8 XII-4 (XI-4-2) 1 Cecile Renée Geertsema Born 15 November 1939 Haarlem Married 19 May 1962 Soest Michael Peter Friedrich Mayer Rieckh, son of Johannes Otto Friedrich Rieckh and Renate Felicitas Diemuth Born 18 August 1935 Graz, Steiermark S.P. 2 Johan Herman Geertsema Born 22 April 1941 Groningen 3 Ada Antonia Geertsema Born 2 March 1946 's-Gravenhage 4 Binnert Philip Geertsema Born 6 June 1948 Utrecht XII-5 (XI-4-4) 1 Mr. Reinhard Gulian Cornelis Crommelin Born 24 June 1951 's-Gravenhage Married Adriana Loth Children, Generation XIII-9 2 Mr. Robert Daniël Crommelin Born 6 March 1953 Domburg 3 Mr. Marie Louise Crommelin Born 23 August 1954 Vlissingen Married 28 September 1985 Genemuiden Jhr. Coen Bernardus Sandberg, son of Jhr. Coen Gijsbartus Sandberg and Josephine Elisabeth Pauline Dorhout Mees Born 6 April 1952 's-Gravenhage S.P. 4 Claudine Henriëtte Irene Crommelin Born 22 July 1957 Vlissingen 5 Elise Christine Crommelin Born 20 February 1961 Vlissingen XII-6 (XI-5-1) 1 Barones Alexandra van Heeckeren van Brandsenburg Vrouwe van Heukelum Born 6 June 1949 Noordwijkerhout Married (1) 1 June 1973 Noordwijkerhout Div.1987 Baron Mr. Jan Arend Godert de Vos van Steenwijk, son of Baron Mr. Albrecht Nicolaas de Vos van Steenwijk and Gräfin Yvonne Zichy de Zich et Vásonkeö Born 3 September 1942 Sydney, NSW, Australia Married (2) 25 May 1990 Hilversum Johannes Hendrik Otto, Graaf van den Bosch, son of Mr. Johannes Hendrik Otto, Graaf van den Bosch and Benudina Maria Royaards Born 13 June 1941 Hilversum Children, Generation XIII-10 XII-7 (XI-7-1) 1 Jhr. Stephan Gerard Boreel Born 9 February 1945 Brooklyn, New York Married 2 November 1972 Apeldoorn Francina Pleuntje Kooijman, daughter of Cornelis Kooijman and Adriana Janna Flach Born 30 December 1952 Molenaarsgraaf Children, Generation XIII-11 2 Jhr. Maurits Boreel Born 27 May 1946 New York Married 30 December 1971 Apeldoorn Tilde Anna Eisma, daughter of Gerard Willem Eisma and Sijbrigje Baron Born 3 April 1950 Apeldoorn Children, Generation XIII-12 3 Jkvr. Joan Boreel Born 24 March 1949 Apeldoorn XII-8 (XI-7-2) 1 = XI-31-1 2 = XI-31-2 3 = XI-31-3 4 = XI-31-4 XII-9 (XI-7-3) 1 Johan Willem Godard Buurman Born 7 February 1949 Arnhem XII-10 (XI-8-2) 1 Jhr. Robert Jan Willem Boreel Born 2 July 1960 Velp 2 Jkvr. Claudine Emilie Amarante Boreel Born 30 August 1963 Velp 3 Jhr. Lucas Wolter Boreel Born 26 April 1966 Velp XII-11 (XI-8-3) 1 Jhr. Mr. Hugo Geert Boreel Born 26 March 1959 Leiden Married 20 September 1986 Roermond Drs. Alice Marie Schwartz, daughter of William Louis George Schwartz and Maria Theresia Berger Born 22 September 1959 Haarlem S.P. 2 Jhr. Drs. Barthold Willem Lucas Boreel Born 9 August 1960 Haarlem 3 Jkvr. Mr. Pauline Danielle Boreel Born 14 May 1964 Hengelo, Overijssel XII-12 (XI-9-1) (1) 1 Freiherr Friedrich Karl Michel von Tüssling Born 10 July 1943 München Married 19 February 1970 München Gräfin Felicitas zu Solms-Baruth, daughter of Graf Friedrich-Sigismund zu Solms-Baruth and Rosemarie von Wietzlow Born 11 February 1952 München Children, Generation XIII-13 XII-13 (XI-10-1) 1 Freiin Ariane von dem Bussche-Streithorst Born 28 September 1952 Düsseldorf 2 Freiin Beatrice von dem Bussche-Streithorst Born 9 September 1955 Düsseldorf 3 Freiin Caroline von dem Bussche-Streithorst Born 15 February 1959 Düsseldorf 4 Freiherr Hans-Georg von dem Bussche-Streithorst Born 26 February 1966 Saarbrücken XII-14 (XI-10-2) 1 Freiin Ivonne von dem Bussche-Streithorst Born 29 July 1955 München 2 Freiin Claudia von dem Bussche-Streithorst Born 5 March 1963 München XII-15 (XI-11-1) (1) 1 Jkvr. Aurelia Eliane Groeninx van Zoelen Born 8 July 1952 Zeist Married (1) 11 April 1975 Hattem Div.4-7-1978 Frederik Anthony Kleyn, son of Mr. Frederik Carel Kleyn and Antoinette Johanna Canters Born 6 October 1944 Rotterdam Married (2) 20 September 1990 's-Gravenhage Michiel Irish' Stephenson, son of Wilhelm John Michael Irish' Stephenson and Sibrecht van der Oord Born 10 May 1942 's-Gravenhage S.P. (2) 2 Pico Robert Frederic Baron Groeninx van Zoelen Born 19 August 1963 Leusden Married 8 September 1989 Binnenmaas Katherina Breijer, daughter of Johannes Breijer and Kathelina Pieternella de Vos Burchart Born 22 March 1966 Rotterdam S.P. 3 Jhr. Lodewijk Adolf Otto Groeninx van Zoelen Born 12 May 1965 Amersfoort 4 Jhr. Jacobus Johannes Galenus Groeninx van Zoelen Born 12 May 1965 Amersfoort XII-16 (XI-18-2) 1 Graaf Tristan Johnson van Limburg Stirum Born 9 December 1982 New York 2 Gravin Marina Hilary van Limburg Stirum Born 28 August 1985 Sharon, Connecticut XII-17 (XI-19-2) 1 Graaf Willem Alexander van Limburg Stirum Born 10 April 1984 Edmonton, Alberta, Canada 2 Gravin Fiona Louise van Limburg Stirum Born 10 April 1989 Milano, Italy XII-18 (XI-20-4) (1) 1 Graf Hesso zu Castell-Rüdenhausen Born 17 April 1940 Würzburg Married 9 May 1975 Hamburg Dr. Adelheid von Nell, daughter of Ansger von Nell and Barbara Steinle Born 24 February 1938 Hamburg S.P. (2) 2 Rembert Düvelius 3 Mechtild Düvelius Born 13 November 1949 Würzburg Married 6 October 1980 Feldafing Freiherr Hugo Wiedersperger von Wiedersperg, son of Freiherr Josef Wiedersperger von Wiedersperg and Gräfin Leopoldine von Mensdorff-Pouilly Born 15 October 1944 Iglau Children, Generation XIII-14 4 Dorothea Düvelius Married Wolfgang Hoenmann S.P. XII-19 (XI-20-5) 1 Johann Erbgraf zu Castell-Rüdenhausen Born 27 January 1948 Rüdenhausen Married 11 June 1983 Quinta da Bela Vista, Portugal Gräfin Maria von Schönborn-Wiesentheid, daughter of Karl, Graf von Schönborn-Wiesentheid and Doña Graziela Alvares Pereira de Melo Born 28 July 1958 Würzburg Children, Generation XIII-15 2 Graf Manto zu Castell-Rüdenhausen Born 31 January 1949 Rüdenhausen Married 28 July 1984 Rüdenhausen Eva Lorenz, daughter of Roman Lorenz and Eva Grunewald Born 26 March 1964 Werfen, Ld Salzburg Children, Generation XIII-16 3 Gräfin Donata zu Castell-Rüdenhausen Born 21 June 1950 Rüdenhausen Married (1) 24 May 1975 Rüdenhausen Prince Louis Ferdinand of Prussia, son of Prince Louis Ferdinand of Prussia and Grand Duchess Kira Kyrillovna of Russia Born 25 August 1944 Golzow Died 11 July 1977 Bremen Married (2) 9 February 1991 Rüdenhausen Duke Friedrich August von Oldenburg, son of Nikolaus, Hereditary Grand Duke von Oldenburg and Princess Helene zu Waldeck und Pyrmont Born 11 January 1936 Rastede Children, Generation XIII-17 4 Graf Christian zu Castell-Rüdenhausen Born 8 August 1952 Rüdenhausen Married 16 September 1977 St.Michielsgestel Carolina Hintzen, daughter of Georg Hintzen and Agneta Krantz Born 7 December 1952 Rotterdam Children, Generation XIII-18 5 Graf Rupert zu Castell-Rüdenhausen Born 25 September 1954 Rüdenhausen Married 2 February 1979 Rüdenhausen Freiin & Herrin Alexandra von Werthern, daughter of Graf & Herr Thilo von Werthern-Beichlingen and Princess Walpurgis zu Stolberg-Wernigerode Born 6 November 1952 Büdingen Children, Generation XIII-19 6 Graf Karl zu Castell-Rüdenhausen Born 21 October 1957 Rüdenhausen 7 Graf Hermann zu Castell-Rüdenhausen Born 26 June 1963 Würzburg Married 18 August 1989 Arolsen Princess Henriette zu Waldeck und Pyrmont, daughter of Prince Georg Friedrich zu Waldeck und Pyrmont and Princess Irmgard Sixtina zu Stolberg-Stolberg Born 6 April 1963 Ludwigsburg Children, Generation XIII-20 8 Graf Matthias zu Castell-Rüdenhausen Born 13 April 1966 Würzburg Married 12 July 1996 Hamburg Christiane Blau, daughter of Mathias Blau and Sabine Stobbe Born 10 December 1974 Hamburg Children, Generation XIII-21 XII-20 (XI-21-1) 1 Donna Benedetta Caetani dell'Aquila d'Aragona Born 3 April 1953 Napoli 2 Donna Jacobella Caetani dell'Aquila d'Aragona Born 12 May 1956 Napoli Married 1986 Alex Siedlecky S.P. 3 Giovanella Maria Caetani dell'Aquila d'Aragona Born 2 July 1961 XII-21 (XI-21-2) 1 Graf Franz zu Ortenburg Born 12 June 1953 Coburg Married 3 June 1993 Wrestedt Gräfin Gustava Grote, daughter of Graf Adolf Grote and Freiin Mechtild von Uslar-Gleichen Born 18 October 1955 Bevensen Children, Generation XIII-22 2 Graf Philipp zu Ortenburg Born 9 April 1955 Bamberg Married 17 September 1988 Maroldsweisach Mirjam Kalf, daughter of Dr. Hendrik Kalf and Ina Kruyer Born 16 March 1958 Haarlem, The Netherlands Children, Generation XIII-23 3 Gräfin Nadine zu Ortenburg Born 1 May 1957 Bamberg Married 27 June 1981 Birkenfeld Albrecht, Graf von Brandenstein-Zeppelin, son of Alexander, Graf von Brandenstein-Zeppelin and Freiin Ursula von Freyberg-Eisenberg-Allmendingen Born 5 August 1950 Biberach Children, Generation XIII-24 XII-22 (XI-22-1) 1 Rudolf von Bünau Born 1953 XII-23 (XI-22-2) 1 Gräfin Marie Charlotte Sophie zu Solms-Sonnenwalde Born July 1993 2 Gräfin Caroline zu Solms-Sonnenwalde Born 1994 3 Gräfin Isabelle zu Solms-Sonnenwalde Born 1996 XII-24 (XI-23-2) (1) 1 Baron Mr. Wolter Frans Frederik van Verschuer Born 19 March 1953 Bremen Married 16 September 1978 Vorden Elvire Ludolphine Henriette van Dishoeck, daughter of Anthonie Ewout van Dishoeck, Brigadier-General and Marie Isabelle Anne Josine Charlotte Labouchère Born 7 April 1955 Assen Children, Generation XIII-25 2 Barones Mathilde Marie Caroline van Verschuer Born 23 September 1954 Bremen Married 29 June 1979 Fulham, London Kevin Owen Shearer, son of Michael Bernard Shearer and Shirley Jane Handy Born 2 June 1954 Stourport, Worcestershire S.P. 3 Baron Mr. Willem Frederik Hendrik van Verschuer Born 10 November 1956 Berchem, Antwerpen Married 22 November 1986 Laren, N-Holland Mr. Henriëtte Caroline Plugge, daughter of Arie Plugge and Johanna Elfriede Zarn Born 16 January 1959 Soest S.P. 4 Baron Otto Willem Arnold van Verschuer Born 4 May 1959 Brasschaat, Antwerpen 5 Baron Mr. Philip Willem van Verschuer Born 12 June 1960 Brasschaat, Antwerpen XII-25 (XI-23-3) 1 Barones Drs. Cornelie Charlotte van Verschuer Born 23 April 1954 Mariënwaerdt, H.Hooge Spijk 2 Baron Drs. Bernard Frederik van Verschuer Born 15 September 1955 Mariënwaerdt, H.Hooge Spijk Married 6 July 1983 Utrecht Maria Anna Victorine Heukensfeldt Jansen, daughter of Ir. Hubertus Victor Petrus Heukensfeldt Jansen and Victorine Marie Thérese Dubois Born 15 August 1956 Nijmegen Children, Generation XIII-26 3 Baron Frans Jacob Albert van Verschuer Born 11 November 1957 Mariënwaerdt, H.Kleine Spijk 4 Barones Otteline Marie van Verschuer Born 2 September 1959 Mariënwaerdt, H.Kleine Spijk Married 19 June 1987 Waddinxveen Mr. Titus van der Torren, son of Isaäc Pieter van der Torren and Johanna Anna Bouman Born 19 July 1957 Zevenhuizen S.P. 5 Barones Drs. Catherine van Verschuer Born 2 September 1959 Mariënwaerdt, H.Kleine Spijk Married 28 May 1986 Rotterdam Mr. Robert Samuel Croll, son of Ir. Hans Croll and Dorothea Marianne Karmala Langridge Born 9 December 1954 Utrecht S.P. XII-26 (XI-24-1) 1 Jkvr. Mechteld Elisabeth Repelaer van Driel Born 2 August 1979 Leiderdorp 2 Jhr. Ocker Frans Johan Repelaer van Driel Born 4 July 1981 Leiderdorp 3 Jhr. Folkert Willem Hendrik Repelaer van Driel Born 22 August 1984 Leiderdorp XII-27 (XI-24-3) 1 Jkvr. Emma Louise Repelaer van Driel Born 5 March 1980 Amsterdam 2 Jkvr. Janine Sophie Repelaer van Driel Born 18 September 1981 Amsterdam 3 Jkvr. Roline Virginie Repelaer van Driel Born 28 July 1984 Amsterdam XII-28 (XI-27-1) 1 Graaf Alexander Johan Thierry van Limburg Stirum Born 10 July 1988 Leiden 2 Gravin Barbara Sophie Hélène van Limburg Stirum Born 7 December 1990 Oegstgeest 3 Gravin Stefania Pauline van Limburg Stirum Born 19 July 1997 Blaricum XII-29 (XI-27-3) 1 Gravin Blanche van Limburg Stirum Born 19 August 1993 Amsterdam Died 24 August 1993 Amsterdam XII-30 (XI-28-1) 1 Baron Christiaan Frederik Ernst van Hogendorp Born 15 February 1980 Voorburg 2 Barones Irène Caroline Madeleine van Hogendorp Born 21 February 1982 Voorburg XII-31 (XI-28-2) (2) 1 Barones Sophie Marie van Hogendorp Born 1 April 1986 's-Hertogenbosch 2 Barones Anne Maartje Cornelie van Hogendorp Born 30 June 1989 's-Hertogenbosch XII-32 (XI-28-3) (2) 1 Baron Hugo Karel Lodewijk van Hogendorp Born 2 August 1983 Hoorn 2 Baron Diederik Willem Hendrik van Hogendorp Born 26 August 1985 Hoorn XII-33 (XI-29-1) 1 Barones Caroline Henriëtte Mireille van Hogendorp Born 8 October 1989 's-Hertogenbosch 2 Barones Johanna Marina Mariëtte van Hogendorp Born 13 December 1991 Tiel XII-34 (XI-31-1) 1 Christini Ellen Antoinette Tieleman Born 15 April 1971 XII-35 (XI-31-2) (1) 1 Jkvr. Else-Beertha Boreel Born 25 May 1967 Delft 2 Jkvr. Esther Nanette Boreel Born 6 October 1970 Wageningen (2) 3 Jkvr. Sophie Mechteld Boreel Born 15 April 1980 Nijmegen 4 Jkvr. Maeke Willemijn Boreel Born 17 December 1982 Nijmegen XII-36 (XI-31-3) 1 Jhr. David Gustaaf Boreel Born 11 June 1979 Zeist 2 Jhr. Thomas Arthur Boreel Born 15 August 1982 Zeist XII-37 (XI-31-4) 1 Jhr. Robert-Jan Boreel Born 26 August 1981 Zeist XII-38 (XI-32-1) (1) 1 Ruerdje Mathilde Johanna Halbertsma Born 11 May 1976 Groningen 2 Tjalling Johannes Samuel Halbertsma Born 13 July 1978 Groningen XII-39 (XI-32-3) 1 Willem Hendrik van Oordt XII-40 (XI-33-1) 1 Jhr. Paul Jan-Willem Frederik Coenen Born 22 November 1969 Brummen 2 Jhr. Erik Boudewijn Coenen Born 6 October 1971 Brummen XII-41 (XI-34-1) 1 Lodewijk Joan Bicker Caarten Born 30 January 1964 Amsterdam 2 Henriette Cornélie Bicker Caarten Born 31 December 1966 Amsterdam 3 Anna Catharina Bicker Caarten Born 7 October 1970 Amsterdam XII-42 (XI-34-2) 1 Jhr. Maurits Herman Roelof Wolf van der Feltz Born 10 January 1970 Zutphen 2 Jhr. Cuno Albertus Constant Warmold van der Feltz Born 4 October 1972 Wijhe XII-43 (XI-34-4) (1) 1 Barones Alexandra van der Feltz Born 22 May 1969 Oxford 2 Baron Nicolas van der Feltz Born 23 September 1971 Basingstoke, Hampshire 3 Baron Joan Paul van der Feltz Born 4 September 1972 Basingstoke, Hanmpshire (2) 4 Barones Serafine van der Feltz Born 21 November 1988 Poole, Dorset 5 Barones Sofia Lee van der Feltz Born 28 September 1991 Gerona, Spain XII-44 (XI-35-1) (1) 1 Baron Frederik Willem van der Borch van Verwolde Born 23 July 1972 Amsterdam 2 Baron Alexander Christiaan van der Borch van Verwolde Born 26 April 1974 Rotterdam 3 Baron Willem Hendrik Emile van der Borch van Verwolde Born 6 February 1979 Rotterdam (2) 4 Baron Frank Guy Clavering van der Borch van Verwolde Born 5 November 1987 Amsterdam XII-45 (XI-36-2) 1 Barones Mary van der Borch van Verwolde Born 19 December 1986 Deventer Died 18 April 1987 Zwolle XII-46 (XI-37-4) 1 Julie Sophie Crommelin Born 5 October 1992 Amsterdam 2 Robert Daniel Crommelin Born 24 October 1994 Blaricum 3 Diederik Willem Crommelin Born 12 September 1999 Blaricum XII-47 (XI-38-3) 1 Gerard Reinier Dirk van der Wolf Born 20 July 1984 Leidschendam XII-48 (XI-40-1) 1 Marceline Frédérique Helene Loudon Born 20 October 1962 Amsterdam 2 Clarissa Henriette Adolphine Loudon Born 25 June 1965 Amsterdam XII-49 (XI-40-2) 1 Elisabeth Adolphine Suzanne Loudon Born 19 August 1965 Addis Abeba, Ethiopia XII-50 (XI-42-1) 1 Jkvr. Floortje de Jonge Born 15 November 1978 Amsterdam 2 Jkvr. Maartje de Jonge Born 8 November 1979 Amsterdam
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