Complex sentence: Following his competitive career, Reburn skated professionally as Sonja Henie's partner in her touring ice show before joining the Royal Canadian Air Force at the outbreak of World War II. He died in 1976, and was buried in Mount Pleasant Cemetery in Toronto.
Split into simpler sentences: Following his competitive career, Reburn skated professionally as Sonja Henie's partner in her touring ice show. He joined the Royal Canadian Air Force at the outbreak of World War II. He died in 1976, and was buried in Mount Pleasant Cemetery in Toronto.