Queen Maxima got emotional during a ceremony for her daughterQueen Maxima of the Netherlands got emotional as she witnessed a major milestone in her daughter’s life last week. Her 22-year-old daughter, Princess Catharina-Amalia, completed her military training and they both attended a ceremony at the Dutch Ministry of Defence in Ermelo last Friday. The Dutch heiress, otherwise known as the Princess of Orange, now has the rank of corporal. The Princess of Orange is the eldest of three daughters to King Willem-Alexander and Queen Maxima. Read our Privacy PolicyThe Dutch royal household states on its website the royal's pastimes are horse riding, tennis and singing.