Justin Trudeau three half-siblings, Kyle and Alicia, from his mother's remarriage to Fried Kemper, and Sarah, from his father's relationship with Deborah Coyne. Trudeau lived at 24 Sussex Drive, Ottawa, the official residence of Canada's prime minister, from his birth until his father's government was defeated in the federal election on May 22, 1979. The Trudeaus were expected to move into the residence of the Leader of the Official Opposition, Stornoway, at 541 Acacia Avenue in Rockcliffe Park, but because of flooding in the basement, prime minister Joe Clark offered them Harrington Lake, the prime minister's official country retreat in Gatineau Park,
Gatineau Park was to be the first national park created by the first parks service in the world, the Dominion Parks Branch. On December 3, 1913, Dominion Parks Commissioner James B. Harkin wrote to Deputy Minister of the Interior William Cory, arguing for the creation of a nationwide system of parks, the first of which was to be Gatineau Park. In his memo, Harkin said: A few months later, on Cory's suggestion, Harkin wrote Quebec Minister of Mines and Forests Charles Devlin inquiring whether he would help establish a national park in the Gatineau district. Although provincial officials wrote back that the