Here is some information about the father John Hugo Loudon, once CEO
of Royal Dutch Shell.He was born 1905, married into another
aristocratic Dutch family, and had four sons. The second is John
Loudon, the eldest surviving son.The youngest is George Loudon (b 1942
New York), a trustee of Kew Gardens, and father of Marcus Loudon (b
1972 Amsterdam) whose wife is a niece of Lord Huntingfield.
http://www.time.com/time/magazine/article/0,9171,897499-6,00.html'
The Diplomats of Oil, published 1960
.. his wife and two of his sons, Fred, 22, and George, 17. Loudon's
third son, John 24, has followed his father into Shell. (His oldest
son was killed in an auto accident in Holland in 1957.)
Policy Changes. John Hugo Loudon was a natural candidate for the
Group's exclusive club. His grandfather was once Governor General of
the Dutch East In dies, his uncle Holland's Foreign Minister in World
War I. His father. Hugo Loudon, broke the family's civil service
tradition to study civil engineering, became one of the early pioneers
of Royal Dutch and later a managing director and chairman.
...
He spent 14 months in Venezuela, working on the rigs and derricks of
Lake Maracaibo, and then returned to Holland to marry his college
sweetheart, Marie [Cornelie] van Tuyll, the slim, attractive daughter
of an aristocratic Dutch family. Reassigned to the U.S.. he worked in
Boston, Houston (where his two oldest sons were born) and Los Angeles,
gradually advancing in the Group's ranks.
http://members.chello.nl/jsteenis/letter58.htm
John Hugo Loudon was in the nineteen eighties CEO of Royal Dutch
Shell, one of the most important energy companies in the world. His
grandfather was minister of Dutch Colonies, including Indonesia ,
where Shell found its first oil. The first capital of Shell came
partly from the Dutch Royal Family.
The father of John Hugo had also been Shell-CEO.John Hugo married
Marie Cornélie baroness van Tuyll van Serooskerke, the most prominent
Lady at the Court of the Dutch Queen
Descendants are listed here, but I don't have access to the whole file
http://www.angelfire.com/realm/gotha/Part2.htm
2.2.2.1.2.6.3.5.1.6.3.3.Bss Maria Cornelia v.Tuyll v.Serooskerken
(Aerdenhout 5 Oct 1903- ); m.Velsen 15 Dec 1931 Jkhr.John Hugo
Loudon (b.Den Haag 27 Jun 1905)
2.2.2.1.2.6.3.5.1.6.3.3.1.Jkhr Hugo Frederik John Loudon (Houston TX
19 Oct 1933-Amsterdam 18 Feb 1957)
2.2.2.1.2.6.3.5.1.6.3.3.2.Jkhr John Loudon, b.Houston 26 Feb 1936;
m.Alresford, Hants 19 Sep 1959 Denise Doughty-Tichborne***[is he the
John Loudon, of Pusey Park. aged 72, who is now married to Felicity
Loudon, formerly Wigan, nee Cadbury?]. Issue 1 son and 2 daus
2.2.2.1.2.6.3.5.1.6.3.3.2.1.Jkvr Arabella Miranda Loudon, b.Pasadena
CA 27 Dec 1961; m.Nairobi 16 Jun 1994 Carl Gustav Einar Samuel baron
Åkerhielm (b.Nairobi 25 Sep 1954)
2.2.2.1.2.6.3.5.1.6.3.3.2.2.Jkvr Lisa Marie Loudon, b.London 4 May
1963; m.Tichborne Park, Alresford 9 May 1992 Nicholas George Patrick
Hiley (b.8 May 1961)
2.2.2.1.2.6.3.5.1.6.3.3.2.3.Jkhr Anthony James Hugo Loudon, b.London
10 Jun 1966; m.Catherine N
2.2.2.1.2.6.3.5.1.6.3.3.2.3.1.Ella Anne Loudon, b.Jan 2001
2.2.2.1.2.6.3.5.1.6.3.3.2.3.2.James Tichborne Loudon, b.20 Feb 2004
2.2.2.1.2.6.3.5.1.6.3.3.2.3.3.Nina Emerald Loudon, b.31 May 2006
2.2.2.1.2.6.3.5.1.6.3.3.3.Jkhr Frederik Willem Loudon (Den Haag 31 Dec
1937-4 Jul 2001); m.De Bilt 14 Jul 1962 Jkvr Henriette Catharina
Steengracht v.Oostcapelle (b.De Bilt 4 Dec 1934)
2.2.2.1.2.6.3.5.1.6.3.3.3.1.Jkvr Eugénie Mary Loudon, b.Utrecht 15 Feb
1964
2.2.2.1.2.6.3.5.1.6.3.3.3.2.Jkhr John Hugo Willem Loudon, b.Utrecht 26
Sep 1965
2.2.2.1.2.6.3.5.1.6.3.3.3.3.Jkvr Pauline Suzanne Loudon, b.Utrecht 5
Jul 1969
2.2.2.1.2.6.3.5.1.6.3.3.4.Jkhr George Ernest Loudon, b.New York 19 Nov
1942; m.London 2 Nov 1968 Angela Mary Goldsbrough (b.Wokingham,Berks
12 Sep 1940)
2.2.2.1.2.6.3.5.1.6.3.3.4.1.Jkvr Emily Mary Loudon, b.Djakarta 9 Sep
1970
2.2.2.1.2.6.3.5.1.6.3.3.4.2.Jkhr Marcus Frederick Loudon, b.Amsterdam
8 Sep 1972; m.27 Sep 2003 Juliet Cordelia Darell-Brown***
2.2.2.1.2.6.3.5.1.6.3.3.4.2.1.Jkvr Cecilia Emily Loudon, b.30 Oct 2005
2.2.2.1.2.6.3.5.1.6.3.3.4.2.2.Jkhr Alexander Anthony George Loudon, b.
12 Aug 2007
Shinjinee