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 35 rooms spread on four floors, including the basement, connected by an elevator and many staircases. The latter consists of support rooms, while the main floor holds the dining room, living room, kitchen (which is staffed by a head chef and support staff), main stair hall, prime minister's library, and a sun room. The second floor is primarily bedrooms, including the master bedroom, as well as a family room (described by Margaret Trudeau as her "freedom room") and the office of prime minister's spouse. The third floor contains additional bedrooms and a private study for the prime minister. The exterior