Her Majesty Queen Sirikit is the daughter of H.H. Prince Chandaburi Suranath (M.C. Nakkhat Mongkol Kitiyakara) and his consort Mom Luang Bua Kitiyakara (nee Mom Luang Bua Snidvongs). Prince Chandaburi Suranath was the third son of H.R.H. Prince Chandaburi Narunath and H.S.H. Princess Absarasman Kitiyakara.
She was born on August 12, 1932. The year 1932 is a significant one : it was the year when constitutional monarchy was introduced into Thailand. Her father was a prominent and capable Major-General in the Thai Army at the time of the constitutional change. He left the army and went to serve as First Secretary at the Thai Legation in Washington D.C. As the Queen was then still a little child, she remained in Bangkok in the charge of her relatives. She did not see her parents again until their return home.