Thierry Roussel

Born Feb 16, 1953

Thierry Roussel was the fourth husband of Christina Onassis, and the only man with whom she had a child. Their daughter is Athina Onassis de Miranda. Roussel is best known as the controversial former co-trustee of his eldest child's famous fortune and for having been involved in a number of legal entanglements with the four Greek trustees of that fortune. These disputes were mostly ended in 1999 by the court-ordered transfer of Athina's trust into a private auditing firm.… Read More

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Learn about the memorable moments in the evolution of Thierry Roussel.


1953 Birth Thierry Patrick François Roussel, was born on 16 February 1953 at Neuilly, near Paris, son of the late Henry Julien Gaston Roussel, who was President and General Manager of the Roussel Uclaf Laboratoires Pharmaceutiques, and his wife, Francine Grinda, daughter of Jean-Paul Grinda and niece of the French politician Édouard Grinda.


1972 19 Years Old Roussel graduated from high school in 1972. … Read More


1984 31 Years Old Roussel married Christina Onassis in 1984. They had a honeymoon in the Caribbean, but their marriage ended in divorce in 1987. … Read More
1985 32 Years Old …  The two older children were born during Roussel's marriage to Christina—Erik in July 1985, and Sandrine in May 1987. … Read More
1987 34 Years Old In 1987, he decided to reside in Switzerland and created the financial management company SGFC where he continues to act as President at the present time.
1988 35 Years Old He co-managed his daughter Athina's personal fortune with 4 Greek administrators from 1988–1999, at which time the administration of the trust was transferred by court order to the Swiss auditing firm of KPMG Fides.
1990 37 Years Old Roussel married Marianne "Gaby" Landhage in 1990 in the village church in Villeny near Bonneville, the Roussels' estate in Sologne.


1994 41 Years Old …  Roussel additionally borrowed money from the Portuguese state and a bank, but by 1994, the venture was badly debt-ridden. … Read More
1998 45 Years Old …  Diane Sawyer investigated the situation in doing research for her interview with Athina in 1998, and according to Sawyer, although Roussel did not actually file for bankruptcy, he did sell the strawberry farms at a loss.


2003 50 Years Old In 2003, he created a Fund of Funds called GMT with the participation of numerous international banks.
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