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