 His uncle, Tenzing Norgay, had died at home of natural causes in 1986 at the age of 72.Tenzing Norgay was the first person to summit Mount Everest in 1953 along with Sir Edmund Hillary.Lopsang was an instructor at the Himalayan Mountaineering Institute and took part in the 1993 Everest expedition led by "his" nephew, Tashi Tenzing (Tenzing Norgay's grandson), to commemorate the 40th anniversary of his uncle's 1953 ascent of Mount Everest.