Original: The games were affected by the deaths of Australian alpine skier Ross Milne and British luge slider Kazimierz Kay-Skrzypeski, during training, and by the deaths, three years earlier, of the entire US figure skating team and family members (see: Prior tragedies, below).
Simplified: The games were affected by the deaths of Australian alpine skier Ross Milne and a British luge slider, during training, and by the deaths, 3 years earlier, of the entire US figure skating team and family members.