Rear Palace ( th, กรมพระราชวังบวรสถานพิมุข) is the second position inferior from Krom Phra Ratchawang Bowon Sathan Mongkhon or the
Front Palace appointed by the King occurred for the first time in the Ayutthaya period by Phra
Maha Thammarachathirat He built a palace, who was located behind the Royal Grand Palace bestow as a residence of Somdej Phra
Ekathotsarot, who was the youngest son and is the younger brother of
Naresuan the Great, so the word Rear Palace came up. Later, during the reign of King
Narai the Great Phra Traibhuvanatthidtayawong, which is a younger half-brother residing another person in the rear palace only but Phra Ekathotsarot and Phra Traibhuvanatthidtayawong no rank was added in any way.
During the reign of Somdej Phra Pethracha when he ascended to the throne, Luang Sorasak was appointed as Krom Phra Ratchawang Boworn Sathan Mongkhon and Nai
Chopkhotchaprasit was appointed as Krom Phra Ratchawang Boworn Sathan Phimuk, he received a royal command, which was considered the first person as Krom Phra Ratchawang Boworn Sathan Phimuk in the Ayutthaya period. Later, during the reign of Somdej Phra
Sanphet VIII (or Phra Chao Suea) established Chao Fa Phet, the eldest son, as the Krom Phra Ratchawang Boworn Sathan Mongkol or Phra Banthoon Yai, and established Chao Fa Phon, the youngest son, as the Krom Phra Ratchawang Boworn Sathan Phimuk or Phra Banthoon Noi. Because he might be disgusted by the position Krom Phra Ratchawang Boworn Sathan Phimuk because in the reign of Somdej Phra Pethracha he established Nai Chopkhotchaprasit as Krom Phra Ratchawang Boworn Sathan Phimuk was soon Nai Chopkhotchaprasit was executed.
[ประชุมพงศาวดารภาคที่ ๑๓, โรงพิมพ์โสภณพิพรรฒธนากร, พ.ศ. ๒๔๖๒]
List of Rear Palace lords
Ayutthaya
Rattanakosin
References
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{{Front Palace and Rear Palace
Thai monarchy