Robert A.C. Bonsor passed away on December 11, 2010, in Kalispell, Montana, at the age of 47. He was born in London, England, on February 14, 1963, and his formative years were in Berkshire, England. Robert graduated from Eton College, England, in 1980 and the School of Foreign Service, Georgetown University, Washington D.C., in 1987. While at Georgetown, he was captain of the Georgetown Ski Team. As a long time resident of Northern Virginia including Haymarket, VA, he launched his own business in the ski travel industry and passionately skied throughout his years. His connection to skiing led Robert and his family to Kalispell in September 2009. He was a golf and ski member of Big Mountain Club in Whitefish, Montana. As a loving father, he spent countless hours with his family. He cherished his daughters and received great joy watching them become young ladies. Together, Robert and his wife, Kasandra (Kasey), of twenty-one years were inseparable and devoted themselves to the happiness of their children. He was preceded in death by his father, Michael Cosmo Bonsor. He is survived by his wife, Kasandra of Kalispell; his daughters, Arabella, Sabrina, Alexandra, and Annika, all of Kalispell; his mother, Anne Marie Wallenberg Bonsor of Holbrook, Suffolk, England; his sisters, Celia Pilkington of London, Charlotte Milln of Toulouse, France, Camilla Bonsor of London; and extended family and friends. In lieu of flowers, memorials may be directed to the American Brain Tumor Association or LIVESTRONG.org. The Bonsor family 850 Paradise Hills Drive Kalispell, MT 59901