MADRID, SPAIN - JUNE 08: (SPANISH WEEKLY ENTERTAINMENT MAGAZINES OUT)  (L-R) Queen Letizia of Spain, King Willem-Alexander of the Netherlands, Queen Maxima of the Netherlands and King Felipe 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)