| Sasibongse Prabai | |||||
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| Born | (1881-04-26)26 April 1881 Grand Palace Bangkok, Siam | ||||
| Died | 31 May 1934(1934-05-31) (aged 53) Bangkok, Siam | ||||
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| House | Chakri dynasty | ||||
| Father | Chulalongkorn (Rama V) | ||||
| Mother | Chao Chom Manda Chan | ||||
Princess Sasibongse PrabaiorPhra Chao Boromwongse Ther Phra Ong Chao Sasibongse Prabai (RTGS: Sasiphong Praphai) (Thai: พระเจ้าบรมวงศ์เธอ พระองค์เจ้าศศิพงศ์ประไพ) (26 April 1881 – 31 May 1934), was a Princess of Siam (later Thailand. She was a member of Siamese royal family. She is a daughter of Chulalongkorn, King Rama V of Siam.
Her mother was Chao Chom Manda Chan, daughter of Lord (Phraya) Rajasam Bharakorn. Princess Sasibongse Prabai died on 31 May 1934, at the age of 53.
| Princess Sasibongse Prabai | Father: Chulalongkorn, King Rama V of Siam |
Paternal Grandfather: Mongkut, King Rama IV of Siam |
Paternal Great-grandfather: Buddha Loetla Nabhalai, King Rama II of Siam |
| Paternal Great-grandmother: Queen Sri Suriyendra | |||
| Paternal Grandmother: Queen Debsirindra |
Paternal Great-grandfather: Prince Sirivongse, the Prince Matayabidaksa | ||
| Paternal Great-grandmother: Mom Noi Sirivongs na Ayudhya | |||
| Mother: Chao Chom Manda Chan |
Maternal Grandfather: Phraya Rajasam Bharakorn |
Maternal Great-grandfather: unknown | |
| Maternal Great-grandmother: unknown | |||
| Maternal Grandmother: unknown |
Maternal Great-grandfother: unknown | ||
| Maternal Great-grandmother: unknown |
