| Climber | Period | Notes |
|---|---|---|
| Jacques de Lépiney | From 1913 |
Joined in 1913 with his brother Tom. [1] [2] References[1] Wikipedia: Groupe de Bleau https://fr.wikipedia.org/wiki/Groupe_de_Bleau [2] Wikipedia: Jacques de Lépiney https://fr.wikipedia.org/wiki/Jacques_de_L%C3%A9piney |
| Jacques Wehrlin | Until 1916 |
One of the group's three leaders, with Pierre Le Bec and André Jacquemart; killed in the First World War in 1916. [1] [2] References[1] Wikipedia: Groupe de Bleau https://fr.wikipedia.org/wiki/Groupe_de_Bleau [2] Alpine Journal 1970 https://www.alpinejournal.org.uk/Contents/Contents_1970_files/AJ%201970%20109-113%20Damesme%20GHM.pdf |
| Louis Prestat |
Named among the members. [1] References[1] Wikipedia: Groupe de Bleau https://fr.wikipedia.org/wiki/Groupe_de_Bleau |