Bahurada Manimaya, Princess Debnariratana , was the Princess of Siam later Thailand. She was a member of Siamese Royal Family. She is a daughter of Chulalongkorn, King Rama V of Siam.
Princess Bahurada Manimaya was the first daughter of King Chulalongkorn of Siam and Queen Saovabha Bongsri . She was born onDecember 1878, at Grand Palace. After she was born, her father, King Chulalongkorn gave the full name as Bahurada Manimaya Prabaibannabichitra Narisarajakumari . She was also called Thunkramom Ying Yai, which means the eldest daughter of the King.
Source: Wikipedia