Nakkhatra Mangala
Prince Nakkhatra Mangala, 2nd Prince of Chanthaburi (; ; 4 January 1898 – 11 February 1953), was the eldest son of Kitiyakara Voralaksana, 1st Prince of Chanthaburi and Princess Apsarasaman Kitiyakara. He was a father of Queen Sirikit, father in-law of late Thai King Bhumibol Adulyadej and paternal grandfather of the current King Vajiralongkorn. Education Prince Nakkhatra Mangala received primary education at the royal palace, then studied at the King's College under the royal patronage. Until 1910, he studied at the Royal Thai Army Cadet Academy. In 1911, he went to study in England being a student under the Ministry of Defence in 1914, attending high school in France until receiving the Baccalauréat certificate in both areas in science. He then attended the French cadet academy École spéciale militaire de Saint-Cyr where he received the ranks of lieutenant and sergeant in the French army. Careers In 1920 he completed his studies in France. King Rama VI bestowed a second lieutenant on July 29, 1920, as a king guard under the 1st Infantry Regiment. Later, on January 27, 1922, King Rama VI bestowed the rank of lieutenant while studying military school in France. He also served in several French infantry regiments.