Margaret Trudeau had a son who died in an avalanche in what year?
Margaret Trudeau:  She is the former wife of Pierre Trudeau, 15th Prime Minister of Canada; and is the mother of Justin Trudeau, 23rd Prime Minister of Canada, and his brothers Alexandre and Michel. Michel Trudeau:  He died in an avalanche on November 13, 1998, while skiing in Kokanee Glacier Provincial Park.
1998