Princess Dhasani Nonglaksana (Thai: ทัศนีนงลักษณ์; RTGS: Thatsani Nonglak complete title: Her Serene Highness Princess (Mom Chao) Dhasani Nonglaksana Thai: หม่อมเจ้าทัศนีนงลักษณ์ สวัสดิวัตน์; RTGS: Thatsani Nonglak Sawatdiwat) is a Princess of Siam, a member of Siamese royal family, and a member House of Svastivatana, a royal house which originated by Her father and descends from Chakri Dynasty and half-sister of Queen Rambhai Barni of Siam.^[1]