Princess Kannikakaew, the Princess Khattiyakanlaya (; ; 10 December 1855 â 13 May 1882) was the Princess of Siam (later Thailand. She was a member of Siamese royal family and was a daughter of King Mongkut and Princess Phannarai. She was a half-sister (different mother) of King Chulalongkorn and had one younger brother, Prince Narisara Nuvadtivongs.