Godefroy Jean Henri Louis de Blonay (25 July 1869, Niederschöntal, Switzerland – 14 February 1937, Biskra, French Algeria) was an important early member of the International Olympic Committee.
From 1899, de Blonay was the first Swiss member on the International Olympic Committee (IOC).
He remained on the committee for 38 years, until his death in 1937, being the 24th on the roll of members since 1884; Pierre de Coubertin being number one.
She was the only surviving child of Count Peter de Salis (second son of Peter, 5th Count de Salis-Soglio) by his second wife Agnes Louisa La Trobe (d. 5 May 1916, ebendort), daughter of Governor Charles Joseph La Trobe, CB, by his wife Sophie de Montmollin.
They had four children and lived at the château de Grandson, Vaud, near Yverdon-les-Bains, Switzerland.