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,
24 Sussex Drive William Lyon Mackenzie King, for instance, lived at Laurier House in Sandy Hill. Laurier House was willed to the Crown upon Mackenzie King's death in 1950 and was thus also available for designation as the prime minister's official residence at the time. Security at 24 Sussex was overhauled following a November 1995 attempted assassination by André Dallaire, who wandered around the house and grounds for nearly an hour before being confronted outside Jean Chrétien's bedroom by the Prime Minister's wife, Aline; she locked the door to the bedroom while Jean guarded it with an Inuit stone carving. Ultimately, Royal Canadian