|Type||Competed in Olympic Games|
|Full name||Louis Etienne Jean Léonce Balluet•d'Estournelles de Constant Rebecque|
|Used name||Jean•d'Estournelles de Constant|
|Born||15 September 1859 in La Flèche, Sarthe (FRA)|
|Died||21 July 1949 in Paris, Paris (FRA)|
Jean d’Estournelles de Constant competed in several different sailing events at the 1900 Paris Olympics. He was the son of Louis Benjamin Léonce Balluet, Baron d’Estournelles de Constant and Henriette Monnyer. His brother became quite famous, as Paul Henri Benjamin Balluet d’Estournelles de Constant won the 1909 Nobel Peace Prize, notably for “for [his] prominent position in the international movement for peace and arbitration”.
Jean d’Estournelles de Constant was Chief of the Bureau of Public Instruction in the Fine Arts, was a vice-president of the Committee on Patronage for the Museum of the Légion d’Honneur, and was director of the National Museum and School of the Louvre. In July 1925 he was made a commander of the Légion d’Honneur.
|Games||Discipline (Sport) / Event||NOC / Team||Pos||Medal||As|
|1900 Summer Olympics||Sailing||FRA||Jean d'Estournelles de Constant|
|Open, Open (Olympic)||5|
|Open, Open (Olympic)||AC|
|½-1 Ton, Open (Olympic)||5|
|½-1 Ton, Open (Olympic)||AC|