MADRID, SPAIN - JUNE 08: (SPANISH WEEKLY ENTERTAINMENT MAGAZINES OUT) (L-R) King Willem-Alexander of the Netherlands, Queen Maxima of the Netherlands, Queen King Felipe of Spain and Queen Letizia of Spain attend the memorial service for Prince Kardam of Bulgaria at San Jeronimo el Real church on June 8, 2015 in Madrid, Spain.  (Photo by Europa Press/Europa Press via Getty Images)