As well as those dates, they also chose the number 16, which is the age of one of their granddaughters. NOVA SCOTIA COUPLE WIN CANADIAN LOTTO 649 THANKS TO GRANDCHILDREN’S BIRTHDAYSA couple from Nova Scotia who played Lotto 649 numbers based on their grandchildren’s birthdays have won over $1.7 million saying they knew their grandchildren would look after them.Margaret and Gerald Stewart, from New Glasgow in Nova Scotia, told lottery officials that they started using the birthdates of their three grandchildren and their son when buying Lotto 649 tickets this September.