| Piyamavadi | |
|---|---|
| Princess Queen's Mother of Siam | |
| Born |
5 March 1838 Bangkok, Siam |
| Died | 3 April 1904 (aged 66) Bangkok, Siam |
| Spouse | Mongkut (Rama IV) |
| Issue | Prince Unakan Ananta Norajaya Prince of Devavongse Varoprakarn Queen Sunandha Kumariratana Queen Savang Vadhana Queen Saovabha Phongsri Prince Svasti Vatanavisishtha |
| House | Chakri Dynasty |
| Father | Lord Asasamdaeng (Taeng Suchritakul) |
| Mother | Dame Sucharitthamrong (Nag Sucharitakul) |
Princess Piyamavadi Sri Bajarindra Mata (Thai: สมเด็จพระปิยมาวดี ศรีพัชรินทรมาตา; rtgs: Piyamawadi Siphatcharinthramata) or Chao Khun Chom Manda Piam (Thai: เจ้าคุณจอมมารดาเปี่ยม) née Piam Sucharitakul (Thai: เปี่ยม สุจริตกุล; rtgs: Piam Sucharitakun). She was one of the royal wives of King Mongkut and was of Thai-Chinese descent.
When her grandson, Crown Prince Maha Vajiravudh (Rama VI) acceded to the throne to be King Vajiravudh, he promoted her as Princess Piyamavadi Sri Bajarindra Mata (meaning: Piam, Princess Mother of Queen Sri Bajarindra)
She had 6 children with King Mongkut.