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,
680 N Lake Shore Drive home to 415 condo units divided amongst the building's three separate condominium associations: the Tower, the Lake, and the South residences. There is also of commercial office space, of retail space, and seven levels of indoor parking. During its early decades as the American Furniture Mart, the building's address was 666 North Lake Shore Drive. In 1984, Chemical Bank filed a foreclosure action against David Paul, which Chemical eventually won. Chemical announced that it would change the building's address from 666 N. Lake Shore Drive to 680 N. Lake Shore Drive effective May 1, 1988, officially as a way of