Stamps 2012 , Amalia, Alexia and Ariane, daughters of Willem Alexander and Maxima
(L-R) Princess Alexia, Princess Ariane, Queen Maxima and King Willem-Alexander of The Netherlands attend celebrations marking his 49th birthday on King's Day on April 27, 2016 in Zwolle, Netherlands.
King Willem-Alexander pictured with daughters Princess Catharina-Amalia and Princess Alexia in 2008.
.Prince Claus, Queen Beatrix, Willem Alexander, Johan Friso, Constantijn
Queen Wilhelmina, cycling
Princesses Beatrix, Irene, Margriet and Christina of the Netherlands
Former Queen now Princess Beatrix