(Kindly update; details are not confirmed.) The sister of King Farouk of Egypt, known for her marriage into the Iranian royal family.

(Kindly update; details are not confirmed.) The mother of King Constantine II of Greece, known for her royal duties.

(Kindly update; details are not confirmed.) A member of the Prussian royal family, known for her royal duties.

(Kindly update; details are not confirmed.) The sister of King Constantine I of Greece, known for her royal life.

(Kindly update; details are not confirmed.) A Danish princess known for her royal and charitable works.

(Kindly update; details are not confirmed.) A member of the Greek royal family, known for her humanitarian efforts.

(Kindly update; details are not confirmed.) A German princess, known for her royal family heritage.

(Kindly update; details are not confirmed.) A Danish princess, known for her royal duties and social contributions.

(Kindly update; details are not confirmed.) A Danish princess, known for her royal work and charity involvement.

(Kindly update; details are not confirmed.) The daughter of King Carl XVI Gustaf of Sweden, involved in royal duties.

(Kindly update; details are not confirmed.) The sister of King Philippe of Belgium, involved in various charity works.

(Kindly update; details are not confirmed.) The daughter of Prince Andrew, known for her charity work.

(Kindly update; details are not confirmed.) The younger daughter of Prince Andrew, known for her charitable work.

(Kindly update; details are not confirmed.) The eldest daughter of Grace Kelly, involved in Monaco's public life.

(Kindly update; details are not confirmed.) The youngest daughter of King Carl XVI Gustaf, involved in charity work.

(Kindly update; details are not confirmed.) The wife of Crown Prince Frederik of Denmark, known for her charity work.

(Kindly update; details are not confirmed.) A former Olympic swimmer, now the Princess of Monaco through marriage.

(Kindly update; details are not confirmed.) The wife of Prince William of the United Kingdom, known for her charity work.

(Kindly update; details are not confirmed.) The eldest daughter of Emperor Akihito, known for her marriage and royal duties.

(Kindly update; details are not confirmed.) A former member of the Japanese Imperial Family, known for her marriage.