[The Netherlands] Princess Maxima's 40th royal birthday concert - all the guests together

On the far left, we can see Princess Christina and Princess Irene, Queen Beatrix sisters. On the far right, another of the Queen's sisters, Princess Margriet.

On the third row, we can see Maxima's sisters-in-law, Princess Laurentien and Princess Mabel, Princes Constantijn and Friso's wives respectively.