On 10 th July 2010 in Khemarin Palace, His Majesty the King greeted His Ex. M. Oum Maknorith, Princesse Sisowath Ratner Ayuravann Vaddey , Dr. D.M. Blake Ratner régional Director of the Greater Mekong worldfish Center and Mrs. Vandoeun Kim. On this occasion, Princesse Sisowath Ratner Ayuravann Vaddey and her husband Dr. D.M. Blake Ratner offered one thousand sampots in contribution to royal humanitarian action .