In March, 1905, Demon Veen (in VN's novel Ada, 1969, Van's and Ada's father) perishes in a mysterious airplane disaster above the Pacific. Half a year later Van and Ada (now married to Andrey Vinelander) meet in Mont Roux, Switzerland, after the thirteen-year-long separation. On October 24, 1905, Ada leaves Mont Roux with her sick husband and reunites with Van only in 1922, after Andrey's death: