Piyamavadi
Princess Piyamavadi Sri Bajarindra Mata or Chao Khun Chom Manda Piam née Piam Sucharitakul was one of the royal wives of King Mongkut and was of Thai-Chinese descent.
When her grandson, Crown Prince Maha Vajiravudh acceded to the throne to be King Vajiravudh, he promoted her as Princess Piyamavadi Sri Bajarindra Mata.
She had six children with King Mongkut:
- Prince Unakan Ananta Norajaya
- Prince Devan Uthayawongse
- Princess Sunandha Kumariratana
- Princess Savang Vadhana
- Princess Saovabha Bongsi
- Prince Svasti Sobhana