Jean-Christophe Lafaille, born March 31, 1965 in Gap and died January 26, 2006 on the slopes of Makalu, Nepal, is a French mountaineer. He was an âinternational guarantorâ for the Mountain Wilderness association. Married twice, he is the father of two children: Marie with his first wife VĂ©ronique (Lafaille gave his name to a 6,250 meter summit in the Himalayas, the Mari Ri) and Tom with his second wife, Katia