What a beautiful young family... I admit I know nothing about them. I assume the Spanish royal family operates sort of like the British royal family... in the background behind the Prime Minister and Parliament, et al?
Thank you for posting the photos, btw.
The article on the Spanish Royal Family History and Genaeology in Wikipedia is well done.
http://en.wikipedia.org/wiki/Spanish_Royal_Family
Felipe and Letizia are heirs to the throne, and their daughter, Leonor and Sofia are beautiful children. They look like they stepped right out of a painting by Velasqez