 In thanks for the protection of her and her daughters, Princess Juliana established the custom of the delivery to the Canadian government every spring of tulips, which are the centrepiece of the Canadian Tulip Festival.The second sister of Beatrix, Princess Margriet, was born in Ottawa in 1943.During their exile in Canada, Beatrix attended nursery and Rockcliffe Park Public School, a primary school where she was known as "Trixie Orange".